CVE-2025-1608: A vulnerability, which was classified as critical, was found in LB-LINK AC1900 Router 1.0.2

This week

MEDIUM 6.3MITIGATE

CVE-2025-1608 is a medium-severity flaw (CVSS 6.3) affecting ac1900 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	10.2% (top 4%)
CISA exploited list	No
Weakness	CWE-77, CWE-78
Published	2025-02-24
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: lb-link

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-24 01:15 UTCPublished CVE record published
2026-06-17 08:39 UTCUpdated Record last modified

lb-link ac1900 firmware MITIGATE

Affected: 1.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-1608?

ac1900 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-1608 being exploited?

CVE-2025-1608 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-1608 affect?

CVE-2025-1608 affects ac1900 firmware. Severity is medium (CVSS 6.3). 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

How urgent is CVE-2025-1608?

Priority 51/100. EPSS top 4%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2025-1610 MEDIUM 6.3 MITIGATE A vulnerability was found in LB-LINK AC1900 Router 1.0.2 and classified as critical
CVE-2025-1609 MEDIUM 6.3 MITIGATE A vulnerability has been found in LB-LINK AC1900 Router 1.0.2 and classified as critical

References

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