CVE-2026-5830

Tenda AC15 SysToolChangePwd websGetVar stack-based overflow

HIGH
8.8
CVSS Score
Published: April 9, 2026 at 01:30 AM UTC
Updated: July 24, 2026 at 09:23 AM UTC
2 products affected across 1 vendorAC15 FirmwareAC15

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Affected

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

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 (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/356277
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/356277/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/789178
Exploit
Source: cverecord
https://files.catbox.moe/xrk8jb.zip
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-121CWE-119

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