PT-2021-2537 · Cisco · Rv340+3

Takeshi Shiomitsu

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Published

2021-04-07

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Updated

2024-09-21

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CVE-2021-1473

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions: Cisco Small Business RV340 version 1.0.03.21 and earlier Cisco Small Business RV340W versions prior to 1.0.03.21 Cisco Small Business RV345 versions prior to 1.0.03.21 Cisco Small Business RV345P versions prior to 1.0.03.21
Description: The vulnerability in the web-based management interface of Cisco Small Business RV Series Routers is related to insufficient input validation. Exploitation of the vulnerability may allow a remote attacker to execute arbitrary code, bypass authentication, or upload files on an affected device.
Recommendations: For Cisco Small Business RV340 version 1.0.03.21 and earlier, update to a version later than 1.0.03.21. For Cisco Small Business RV340W versions prior to 1.0.03.21, update to a version later than 1.0.03.21. For Cisco Small Business RV345 versions prior to 1.0.03.21, update to a version later than 1.0.03.21. For Cisco Small Business RV345P versions prior to 1.0.03.21, update to a version later than 1.0.03.21. As a temporary workaround, consider restricting access to the web-based management interface until a patch is available.

Exploit

Fix

Command Injection

Buffer Overflow

OS Command Injection

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Weakness Enumeration

Related Identifiers

BDU:2021-01943
CVE-2021-1473

Affected Products

Rv340
Rv340W
Rv345
Rv345P