CVE-2025-10773: bl-ac2100 Buffer Overflow — Exploit

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
lb-link	bl-ac2100_firmware	< 1.0.3
lb-link	bl-ac2100	All

References

Exploits

https://github.com/maximdevere/CVE2/blob/main/README.md https://github.com/maximdevere/CVE2/blob/main/README.md

Other References

https://vuldb.com/?ctiid.325129 https://vuldb.com/?id.325129 https://vuldb.com/?submit.649901

Frequently Asked Questions

What is CVE-2025-10773? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-10773? +

CVE-2025-10773 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-10773? +

CVE-2025-10773 affects products from lb-link, specifically: bl-ac2100, bl-ac2100_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-10773? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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