PT-2021-1622 · Cisco · Cisco Small Business Rv130+3

Kai Cheng · Published 2021-01-13 · Updated 2021-01-15 · CVE-2021-1196

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers (affected versions not specified)

Description The issue is related to improper validation of user-supplied input in the web-based management interface of the affected routers. An authenticated, remote attacker could exploit this by sending crafted HTTP requests to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition. The attacker would need valid administrator credentials on the affected device to exploit the issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2021-00275

CVE-2021-1196

Affected Products

Cisco Small Business Rv110W

Cisco Small Business Rv130

Cisco Small Business Rv130W

Cisco Small Business Rv215W

References · 7

• https://bdu.fstec.ru/vul/2021-00275 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-overflow-WUnUgv4U · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1196 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1196 · Security Note
• https://t.me/cibsecurity/22138 · Telegram Post
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-overflow-WUnUgv4U# · Note
• https://t.me/cvenotify/8500 · Telegram Post