PT-2021-3783 · Cisco · Cisco Small Business Rv340W+3

Swing · Published 2021-08-04 · Updated 2021-08-12 · CVE-2021-1609

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Small Business RV340, RV340W, RV345, and RV345P (affected versions not specified)

Description The issue is related to multiple vulnerabilities in the web-based management interface of the affected routers. These vulnerabilities could allow an attacker to execute arbitrary code, cause a denial of service (DoS) condition, or execute arbitrary commands. The exploitation can be done by sending a specially crafted HTTP request.

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

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2021-04042

CVE-2021-1609

Affected Products

Cisco Small Business Rv340

Cisco Small Business Rv340W

Cisco Small Business Rv345

Cisco Small Business Rv345P

References · 7

• https://osv.dev/vulnerability/CVE-2021-1609 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1609 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04042 · Security Note
• https://t.me/true_secator/1974 · Telegram Post
• https://t.me/cibsecurity/26856 · Telegram Post
• https://t.me/cvenotify/18664 · Telegram Post