What is the CVSS score of CVE-2025-55852?

CVE-2025-55852 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Ac8 Firmware are affected by CVE-2025-55852?

Organizations using Tenda AC8 v16.03.34.06 face notable risk from CVE-2025-55852, a stack-based buffer overflow vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-55852?

Yes, a public proof-of-concept exploit is available for CVE-2025-55852. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-55852?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

Ac8 Firmware CVE-2025-55852

HIGH

Stack-based Buffer Overflow (CWE-121)

2025-09-03 cve@mitre.org

Tenda Buffer Overflow Stack Overflow Ac8 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:10 vuln.today

PoC Detected

Sep 08, 2025 - 14:03 vuln.today

Public exploit code

CVE Published

Sep 03, 2025 - 16:15 nvd

HIGH 7.5

DescriptionCVE.org

Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g.

AnalysisAI

Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g. Affected products include: Tenda Ac8 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-55852 vulnerability details – vuln.today

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Ac8 Firmware CVE-2025-55852

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code