Which versions of Bl Ac2100 Firmware are affected by CVE-2025-10773?

Organizations using B-Link BL-AC2100 face moderate risk from CVE-2025-10773, a buffer overflow vulnerability rated CVSS 7.4.

Is there a public PoC exploit available for CVE-2025-10773?

Yes, a public proof-of-concept exploit is available for CVE-2025-10773. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2025-10773?

Within 30 days: Identify all affected systems running B-Link BL-AC2100 and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Bl Ac2100 Firmware CVE-2025-10773

Q: What is the CVSS score of CVE-2025-10773?

CVE-2025-10773 has a CVSS 4.0 base score of 7.4 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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. EPSS exploitation probability: 0.4%.

HIGH

Buffer Overflow (CWE-119)

2025-09-22 cna@vuldb.com

Buffer Overflow Bl Ac2100 Firmware

7.4

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

7.4 HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:13 vuln.today

PoC Detected

Sep 30, 2025 - 18:15 vuln.today

Public exploit code

CVE Published

Sep 22, 2025 - 01:15 nvd

HIGH 7.4

DescriptionCVE.org

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.

AnalysisAI

A security flaw has been discovered in B-Link BL-AC2100 up to 1.0.3. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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. Affected products include: Lb-Link Bl-Ac2100 Firmware. Version information: up to 1.0.3..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

CVE-2025-10773 vulnerability details – vuln.today

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