PT-2022-2308 · Cisco · Cisco Small Business Rv Series Routers
Gaurav Baruah
·
Published
2022-02-02
·
Updated
2025-03-13
·
CVE-2022-20703
CVSS v3.1
10
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Cisco Small Business RV Series Routers versions RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345, RV345P
Description
The issue concerns a vulnerability related to improper certificate validation in the firmware update process of the affected routers. This could allow an attacker to execute arbitrary code, elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause denial of service (DoS).
Recommendations
For Cisco Small Business RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345, RV345P, consider disabling the firmware update feature until a patch is available.
Restrict access to the firmware update module to minimize the risk of exploitation.
Avoid using unsigned software on the affected devices until the issue is resolved.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Improper Verification of Cryptographic Signature
Stack Overflow
Improper Certificate Validation
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Related Identifiers
Affected Products
Cisco Small Business Rv Series Routers