How severe is CVE-2025-10773?

CVE-2025-10773 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-10773 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-10773?

CVE-2025-10773 affects Lb-link Bl-ac2100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-10773?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-10773 have an EU (EUVD) identifier?

Yes. CVE-2025-10773 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30388.

When was CVE-2025-10773 published?

CVE-2025-10773 was published on 2025-09-22 and last updated on 2026-06-17.

CVE-2025-10773

CVE-2025-10773 is a high-severity vulnerability in Lb-link Bl-ac2100 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30388
Weakness: CWE-787
Affected product: Lb-link Bl-ac2100 Firmware
Published: 2025-09-22
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-10773?: CVE-2025-10773 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-10773 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-10773?: CVE-2025-10773 affects Lb-link Bl-ac2100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-10773?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-10773 have an EU (EUVD) identifier?: Yes. CVE-2025-10773 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30388.
When was CVE-2025-10773 published?: CVE-2025-10773 was published on 2025-09-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:lb-link:bl-ac2100_firmware:*:*:*:*:*:*:*:*

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