Vulnerability · Published Feb 24, 2025 · Assigned by VulDB

CVE-2025-1609LB-LINK AC1900 Router set_cmd websGetVar os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in AC1900 Router from LB-LINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 10.2% (higher than 96% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)10.2%top 4.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in LB-LINK AC1900 Router 1.0.2 and classified as critical. Affected by this vulnerability is the function websGetVar of the file /goform/set_cmd. The manipulation of the argument cmd leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
LB-LINK	AC1900 Router	1.0.2

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

VDB-296599 | LB-LINK AC1900 Router set_cmd websGetVar os command injection vdb-entry, technical-description
VDB-296599 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #501023 | LB-LINK LB-LINK AC1900 router V1.0.2 Command Injection third-party-advisory
https://noisy-caravel-a9a.notion.site/LBLINK_AC1900_V1-0-2_-set_cmd-_-bs_SetCmd-_CI-179898c94eac808e8875e0b8e1bee47e?pvs=74 exploit