PT-2022-2306 · Cisco · Cisco Small Business Rv260+8

Bien Pham

+1

·

Published

2022-02-02

·

Updated

2023-02-14

·

CVE-2022-20705

CVSS v3.1

10

Critical

VectorAV: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 RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345, RV345P (affected versions not specified)
Description The issue is related to weaknesses in the authentication procedure of the web interface of the affected routers. This could allow a remote attacker to gain partial administrative privileges and perform unauthorized actions. The vulnerability may also enable an attacker to execute arbitrary code, elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).
Recommendations For Cisco Small Business RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345, RV345P, consider disabling the web interface until a patch is available. Restrict access to the upload.cgi endpoint to minimize the risk of exploitation. Avoid using the sessionid variable in the affected API endpoints until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Improper Authentication

Stack Overflow

Weakness Enumeration

Related Identifiers

BDU:2022-02492
CVE-2022-20705
ZDI-22-409
ZDI-22-410
ZDI-22-415

Affected Products

Cisco Small Business Rv160
Cisco Small Business Rv160W
Cisco Small Business Rv260
Cisco Small Business Rv260P
Cisco Small Business Rv260W
Cisco Small Business Rv340
Cisco Small Business Rv340W
Cisco Small Business Rv345
Cisco Small Business Rv345P