Vulnerability · Published Jan 28, 2022 · Assigned by talos

CVE-2021-40408

Critical 9.1

In plain English

A critical-severity OS command injection in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.0)9.1Critical

Exploit odds (30 days)3.7%top 10.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->username variable, that has the value of the userName parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

Weakness: CWE-78 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424 x_refsource_MISC