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CVE-2025-13258

Tenda AC20 WifiExtraSet buffer overflow

HIGH
8.8
CVSS Score
Published: November 17, 2025 at 02:02 AM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorAC20 Firmware· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is an unknown function of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.332593
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.332593
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.688716
RelatedExploitThird Party Advisory
Source: cverecord
https://github.com/DavCloudz/cve/blob/main/Tenda/Tengda%20AC20%20Router%20WifiExtraSet%20Buffer%20Overflow%20Vulnerability.md
ExploitThird Party Advisory
Source: cverecord
https://github.com/DavCloudz/cve/blob/main/Tenda/Tengda%20AC20%20Router%20WifiExtraSet%20Buffer%20Overflow%20Vulnerability.md#poc
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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