What is CVE-2021-1459?

CVE-2021-1459 is a critical-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2021-04-08.

How severe is CVE-2021-1459?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Cisco Small Business Rv Series Router Firmware

CVE-2021-1459

A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is d…

Vulnerability class: Buffer Overflow

EPSS: 0.015 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Small Business Rv Series Router Firmware — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

20210407 Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote Command Execution Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-1459?: CVE-2021-1459 is a critical-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2021-04-08.
How severe is CVE-2021-1459?: Critical severity. CVSS v3 base score is 9.8 out of 10.