CVE-2025-10773 B-Link BL-AC2100 Web Management set_delshrpath_cfg delshrpath stack-based overflow

High 8.7 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the B-Link BL-AC2100 web interface to execute arbitrary code.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-10773?

CVE-2025-10773 is a high-severity memory corruption vulnerability in B-Link BL-AC2100, published on 22 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in B-Link BL-AC2100 up to 1.0.3. Affected by this issue is the function delshrpath of the file /goform/set_delshrpath_cfg of the component Web Management Interface. The manipulation of the argument Type results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-121, CWE-787, CWE-119

Which versions are affected by CVE-2025-10773?

It affects 1 product.

Products include Lb-Link Bl-Ac2100 Firmware.

How do I fix CVE-2025-10773?

No fix has been published for CVE-2025-10773 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-10773 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10773 exists.

Sources

Also known as GHSA-xvvh-w6wp-p287.

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