CVE-2025-29062: An issue in BL-AC2100 <=V1.0.4 allows a remote attacker to execute arbitrary code via the time1 and time2 para

Q: How do I fix CVE-2025-29062?

bl-ac2100 firmware: upgrade to newer than 1.0.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-29062 being exploited?

CVE-2025-29062 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-29062 affect?

CVE-2025-29062 affects bl-ac2100 firmware. Severity is critical (CVSS 9.8). An issue in BL-AC2100 <=V1.0.4 allows a remote attacker to execute arbitrary code via the time1 and time2 parameters in the set_LimitClient_cfg of the goahead webservice.

Q: How urgent is CVE-2025-29062?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-29062 is a critical-severity flaw (CVSS 9.8) affecting bl-ac2100 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in BL-AC2100 <=V1.0.4 allows a remote attacker to execute arbitrary code via the time1 and time2 parameters in the set_LimitClient_cfg of the goahead webservice.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-77
Published	2025-04-02
Last modified	2026-06-17

Publisher (CNA): MITRE · 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

2025-04-02 21:15 UTCPublished CVE record published
2026-06-17 09:05 UTCUpdated Record last modified

lb-link bl-ac2100 firmware UPGRADE

Affected: <= 1.0.4

Fixed in: newer than 1.0.4

Safe to downgrade to: no unaffected older release

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-2025-29062?

bl-ac2100 firmware: upgrade to newer than 1.0.4. Exact commands for each OS are on this page.

Is CVE-2025-29062 being exploited?

CVE-2025-29062 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-2025-29062 affect?

CVE-2025-29062 affects bl-ac2100 firmware. Severity is critical (CVSS 9.8). An issue in BL-AC2100 <=V1.0.4 allows a remote attacker to execute arbitrary code via the time1 and time2 parameters in the set_LimitClient_cfg of the goahead webservice.

How urgent is CVE-2025-29062?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-29063 CRITICAL 9.8 UPGRADE An issue in BL-AC2100 V1.0.4 and before allows a remote attacker to execute arbitrary code via the enable para
CVE-2025-10773 HIGH 8.8 UPGRADE A security flaw has been discovered in B-Link BL-AC2100 up to 1.0.3

References

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