CVE-2026-2877

Tenda A18 Httpd Service WifiExtraSet strcpy stack-based overflow

HIGH
8.8
CVSS Score
Published: February 21, 2026 at 06:32 PM UTC
Updated: June 17, 2026 at 10:31 AM UTC
1 product affected across 1 vendorA18 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file /goform/WifiExtraSet of the component Httpd Service. The manipulation of the argument wpapsk_crypto5g leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may 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/?id.347130
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.347130
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.754703
ExploitIssue Tracking
Source: cverecord
https://github.com/master-abc/cve/issues/39
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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