Vulnerability · Published Sep 13, 2026 · Assigned by mitre
CVE-2026-35867
Low 3.1
In plain English
A low-severity OS command injection in AC1900 firmware from LB-LINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)1.0%top 36.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A Command Injection vulnerability exists in the bs_SetLimitCli_info function within the libshare.so library of the LB-LINK router AC1900_AZ2 V1.0.2 via shell metacharacters, if the device is deployed in a scenario where an actor is able to make a "POST /goform/set_LimitClient_cfg" call but does not already have administrative access to the device.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| LB-LINK | AC1900 firmware | 1.0.2 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L