CVE-2021-1251

Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker could execute arbitrary code or cause an affected router to leak system memory or reload. A memory leak or device reload would cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
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Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:o:cisco:rv132w_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv132w_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv132w:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
OR cpe:2.3:o:cisco:rv134w_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv134w_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv134w:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
OR cpe:2.3:o:cisco:rv160_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv160_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv160:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
OR cpe:2.3:o:cisco:rv160w_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv160w_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv160w:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
OR cpe:2.3:o:cisco:rv260_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv260_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv260:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
OR cpe:2.3:o:cisco:rv260p_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv260p_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv260p:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
OR cpe:2.3:o:cisco:rv260w_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv260w_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv260w:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
OR cpe:2.3:o:cisco:rv340_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv340_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv340:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
OR cpe:2.3:o:cisco:rv340w_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv340w_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv340w:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
OR cpe:2.3:o:cisco:rv345_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv345_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv345:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
OR cpe:2.3:o:cisco:rv345p_firmware:1.0.1.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv345p_firmware:1.0.3.20:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rv345p:-:*:*:*:*:*:*:*

Information

Published : 2021-04-07 21:15

Updated : 2022-08-05 10:37


NVD link : CVE-2021-1251

Mitre link : CVE-2021-1251


JSON object : View

CWE
CWE-401

Missing Release of Memory after Effective Lifetime

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Products Affected

cisco

  • rv345_firmware
  • rv340_firmware
  • rv260_firmware
  • rv260p_firmware
  • rv160w_firmware
  • rv340
  • rv160w
  • rv134w_firmware
  • rv345p_firmware
  • rv260w_firmware
  • rv134w
  • rv340w
  • rv260w
  • rv345
  • rv132w_firmware
  • rv132w
  • rv340w_firmware
  • rv160_firmware
  • rv260p
  • rv160
  • rv260
  • rv345p