Vulnerabilities (CVE)

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Filtered by vendor Cisco Subscribe
Filtered by product Aironet 1850e
Total 17 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2022-20728 1 Cisco 52 Aironet 1542d, Aironet 1542d Firmware, Aironet 1542i and 49 more 2022-10-04 N/A 4.7 MEDIUM
A vulnerability in the client forwarding code of multiple Cisco Access Points (APs) could allow an unauthenticated, adjacent attacker to inject packets from the native VLAN to clients within nonnative VLANs on an affected device. This vulnerability is due to a logic error on the AP that forwards packets that are destined to a wireless client if they are received on the native VLAN. An attacker could exploit this vulnerability by obtaining access to the native VLAN and directing traffic directly to the client through their MAC/IP combination. A successful exploit could allow the attacker to bypass VLAN separation and potentially also bypass any Layer 3 protection mechanisms that are deployed.
CVE-2022-20695 1 Cisco 34 3504 Wireless Controller, 5520 Wireless Controller, 8540 Wireless Controller and 31 more 2022-09-12 9.3 HIGH 10.0 CRITICAL
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and log in to the device as an administrator. The attacker could obtain privileges that are the same level as an administrative user but it depends on the crafted credentials. Note: This vulnerability exists because of a non-default device configuration that must be present for it to be exploitable. For details about the vulnerable configuration, see the Vulnerable Products section of this advisory.
CVE-2021-1419 1 Cisco 84 1100-8p, 1100-8p Firmware, 1120 and 81 more 2022-07-08 7.2 HIGH 7.8 HIGH
A vulnerability in the SSH management feature of multiple Cisco Access Points (APs) platforms could allow a local, authenticated user to modify files on the affected device and possibly gain escalated privileges. The vulnerability is due to improper checking on file operations within the SSH management interface. A network administrator user could exploit this vulnerability by accessing an affected device through SSH management to make a configuration change. A successful exploit could allow the attacker to gain privileges equivalent to the root user.
CVE-2021-34740 1 Cisco 71 6300 Series Access Points, Aironet 1540, Aironet 1542d and 68 more 2021-10-14 6.1 MEDIUM 7.4 HIGH
A vulnerability in the WLAN Control Protocol (WCP) implementation for Cisco Aironet Access Point (AP) software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect error handling when an affected device receives an unexpected 802.11 frame. An attacker could exploit this vulnerability by sending certain 802.11 frames over the wireless network to an interface on an affected AP. A successful exploit could allow the attacker to cause a packet buffer leak. This could eventually result in buffer allocation failures, which would trigger a reload of the affected device.
CVE-2020-3559 1 Cisco 30 1111-4pwe, 1111-8plteeawb, 1111-8pwb and 27 more 2021-04-16 7.8 HIGH 8.6 HIGH
A vulnerability in Cisco Aironet Access Point (AP) Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending authentication requests from multiple clients to an affected device. A successful exploit could allow the attacker to cause the affected device to reload.
CVE-2020-3552 1 Cisco 28 Access Points, Aironet 1542d, Aironet 1542i and 25 more 2021-04-16 6.1 MEDIUM 7.4 HIGH
A vulnerability in the Ethernet packet handling of Cisco Aironet Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by connecting as a wired client to the Ethernet interface of an affected device and sending a series of specific packets within a short time frame. A successful exploit could allow the attacker to cause a NULL pointer access that results in a reload of the affected device.
CVE-2020-3560 1 Cisco 49 1111-4pwe, 1111-8plteeawb, 1111-8pwb and 46 more 2021-04-16 7.8 HIGH 8.6 HIGH
A vulnerability in Cisco Aironet Access Points (APs) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on an affected device. The vulnerability is due to improper resource management while processing specific packets. An attacker could exploit this vulnerability by sending a series of crafted UDP packets to a specific port on an affected device. A successful exploit could either allow the attacker to tear down the connection between the AP and the wireless LAN controller, resulting in the affected device not being able to process client traffic, or cause the vulnerable device to reload, triggering a DoS condition. After the attack, the affected device should automatically recover its normal functions without manual intervention.
CVE-2019-1829 1 Cisco 14 Aironet 1542d, Aironet 1542i, Aironet 1562d and 11 more 2020-10-16 7.2 HIGH 6.7 MEDIUM
A vulnerability in the CLI of Cisco Aironet Series Access Points (APs) could allow an authenticated, local attacker to gain access to the underlying Linux operating system (OS) without the proper authentication. The attacker would need valid administrator device credentials. The vulnerability is due to improper validation of user-supplied input for certain CLI commands. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input for a CLI command. A successful exploit could allow the attacker to obtain access to the underlying Linux OS without proper authentication.
CVE-2019-1834 1 Cisco 14 Aironet 1542d, Aironet 1542i, Aironet 1562d and 11 more 2019-10-09 3.3 LOW 6.5 MEDIUM
A vulnerability in the internal packet processing of Cisco Aironet Series Access Points (APs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected AP if the switch interface where the AP is connected has port security configured. The vulnerability exists because the AP forwards some malformed wireless client packets outside of the Control and Provisioning of Wireless Access Points (CAPWAP) tunnel. An attacker could exploit this vulnerability by sending crafted wireless packets to an affected AP. A successful exploit could allow the attacker to trigger a security violation on the adjacent switch port, which could result in a DoS condition. Note: Though the Common Vulnerability Scoring System (CVSS) score corresponds to a High Security Impact Rating (SIR), this vulnerability is considered Medium because a workaround is available and exploitation requires a specific switch configuration. There are workarounds that address this vulnerability.
CVE-2019-1826 1 Cisco 12 Aironet 1562d, Aironet 1562e, Aironet 1562i and 9 more 2019-10-09 5.5 MEDIUM 5.7 MEDIUM
A vulnerability in the quality of service (QoS) feature of Cisco Aironet Series Access Points (APs) could allow an authenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation on QoS fields within Wi-Fi frames by the affected device. An attacker could exploit this vulnerability by sending malformed Wi-Fi frames to an affected device. A successful exploit could allow the attacker to cause the affected device to crash, resulting in a DoS condition.
CVE-2019-1835 1 Cisco 14 Aironet 1542d, Aironet 1542i, Aironet 1562d and 11 more 2019-10-09 2.1 LOW 4.4 MEDIUM
A vulnerability in the CLI of Cisco Aironet Access Points (APs) could allow an authenticated, local attacker to access sensitive information stored in an AP. The vulnerability is due to improper sanitization of user-supplied input in specific CLI commands. An attacker could exploit this vulnerability by accessing the CLI of an affected AP with administrator privileges and issuing crafted commands that result in directory traversal. A successful exploit could allow the attacker to view system files on the affected device, which could contain sensitive information. Software versions 8.8 and 8.9 are affected.
CVE-2017-3831 1 Cisco 8 Aironet 1810, Aironet 1810w, Aironet 1815i and 5 more 2019-10-09 10.0 HIGH 9.8 CRITICAL
A vulnerability in the web-based GUI of Cisco Mobility Express 1800 Series Access Points could allow an unauthenticated, remote attacker to bypass authentication. The attacker could be granted full administrator privileges. The vulnerability is due to improper implementation of authentication for accessing certain web pages using the GUI interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web interface of the affected system. A successful exploit could allow the attacker to bypass authentication and perform unauthorized configuration changes or issue control commands to the affected device. This vulnerability affects Cisco Mobility Express 1800 Series Access Points running a software version prior to 8.2.110.0. Cisco Bug IDs: CSCuy68219.
CVE-2017-12281 1 Cisco 12 Aironet 1800 Firmware, Aironet 1830e, Aironet 1830i and 9 more 2019-10-09 5.4 MEDIUM 7.5 HIGH
A vulnerability in the implementation of Protected Extensible Authentication Protocol (PEAP) functionality for standalone configurations of Cisco Aironet 1800, 2800, and 3800 Series Access Points could allow an unauthenticated, adjacent attacker to bypass authentication and connect to an affected device. The vulnerability exists because the affected device uses an incorrect default configuration setting of fail open when running in standalone mode. An attacker could exploit this vulnerability by attempting to connect to an affected device. A successful exploit could allow the attacker to bypass authentication and connect to the affected device. This vulnerability affects Cisco Aironet 1800, 2800, and 3800 Series Access Points that are running a vulnerable software release and use WLAN configuration settings that include FlexConnect local switching and central authentication with MAC filtering. Cisco Bug IDs: CSCvd46314.
CVE-2017-3873 1 Cisco 10 Aironet 1830e, Aironet 1830i, Aironet 1850e and 7 more 2017-07-10 7.9 HIGH 7.5 HIGH
A vulnerability in the Plug-and-Play (PnP) subsystem of the Cisco Aironet 1800, 2800, and 3800 Series Access Points running a Lightweight Access Point (AP) or Mobility Express image could allow an unauthenticated, adjacent attacker to execute arbitrary code with root privileges. The vulnerability is due to insufficient validation of PnP server responses. The PnP feature is only active while the device does not contain a configuration, such as a first time boot or after a factory reset has been issued. An attacker with the ability to respond to PnP configuration requests from the affected device can exploit the vulnerability by returning malicious PnP responses. If a Cisco Application Policy Infrastructure Controller - Enterprise Module (APIC-EM) is available on the network, the attacker would need to exploit the issue in the short window before a valid PnP response was received. If successful, the attacker could gain the ability to execute arbitrary code with root privileges on the underlying operating system of the device. Cisco has confirmed that the only vulnerable software version is 8.3.102.0. Cisco Bug IDs: CSCvb42386.
CVE-2015-6320 1 Cisco 5 Aironet 1830e, Aironet 1830i, Aironet 1850e and 2 more 2016-12-07 7.8 HIGH 7.5 HIGH
The IP ingress packet handler on Cisco Aironet 1800 devices with software 8.1(112.3) and 8.1(112.4) allows remote attackers to cause a denial of service via a crafted header in an IP packet, aka Bug ID CSCuv63138.
CVE-2015-6336 1 Cisco 5 Aironet 1830e, Aironet 1830i, Aironet 1850e and 2 more 2016-12-07 7.5 HIGH 7.3 HIGH
Cisco Aironet 1800 devices with software 7.2, 7.3, 7.4, 8.1(112.3), 8.1(112.4), and 8.1(15.14) have a default account, which makes it easier for remote attackers to obtain access via unspecified vectors, aka Bug ID CSCuw58062.
CVE-2016-1418 1 Cisco 7 Aironet 1830e, Aironet 1830i, Aironet 1850e and 4 more 2016-06-15 7.2 HIGH 7.8 HIGH
Cisco Aironet Access Point Software 8.2(100.0) on 1830e, 1830i, 1850e, 1850i, 2800, and 3800 access points allows local users to obtain Linux root access via crafted CLI command parameters, aka Bug ID CSCuy64037.