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Fencer Intel
medium 6.3

CVE-2025-1608 json

LB-LINK AC1900 Router set_manpwd websGetVar os command injection

published last yr. modified 4mo ago also EUVD-2025-4391

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
10.2%
EPSS 10.2% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

A vulnerability, which was classified as critical, was found in LB-LINK AC1900 Router 1.0.2. Affected is the function websGetVar of the file /goform/set_manpwd. The manipulation of the argument routepwd  leads to os command injection. It is possible to launch the attack 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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

10.17% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • noisy-caravel-a9a.notion.site https://noisy-caravel-a9a.notion.site/LBLINK_AC1900_V1-0-2_-set_manpwd-_-bl_do_system-_CI-179898c94eac81b9bf56c1f64db77e2d?pvs=74 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • LB-LINK AC1900 Router

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.