Cyber Resilience

CVE-2021-1287

High

Published: 18 March 2021

Published
18 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0033 56.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1287 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Cisco Rv132W Firmware. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 44.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in the web-based management interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device or cause the device to…

more

restart unexpectedly. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker 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 on the affected device.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
rv132w firmware
≤ 1.0.1.15
cisco
rv134w firmware
≤ 1.0.1.21

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References