Review reviewHigh

CVE-2025-61498

ac8 firmware, ac8

A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of Service (DoS) via supplying a crafted packet.

CVSS
7.5
EPSS
0.34%
26.9% percentile
CISA KEV
Not listed
Published
2025.10.31
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.34%
Technical severityCVSS 7.5

Vulnerability overview

A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of Service (DoS) via supplying a crafted packet.

Affected product and versions

Product
ac8 firmware, ac8
Affected versions
03.03.10.01
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that ac8 firmware, ac8 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-121