PT-2021-3997 · Cisco · Cisco Small Business Rv340W+3

Swing · Published 2021-08-04 · Updated 2021-08-12 · CVE-2021-1610

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV: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, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers (affected versions not specified)

Description The vulnerability in the web-based management interface of the affected routers is related to errors in handling HTTP requests, specifically with syntax quoting neutralization. This could allow a remote attacker to execute arbitrary commands by sending a specially crafted HTTP request. The issue may enable an attacker to execute arbitrary code, cause a denial of service (DoS) condition, or execute arbitrary commands.

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

Stack Overflow

Weakness Enumeration

CWE-149

CWE-121

Related Identifiers

BDU:2021-04519

CVE-2021-1610

Affected Products

Cisco Small Business Rv340

Cisco Small Business Rv340W

Cisco Small Business Rv345

Cisco Small Business Rv345P

References · 6

• https://osv.dev/vulnerability/CVE-2021-1610 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1610 · Security Note
• https://bdu.fstec.ru/vul/2021-04519 · Security Note
• https://t.me/cibsecurity/26845 · Telegram Post
• https://t.me/cvenotify/18663 · Telegram Post