CVE-2026-2930

Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

HIGH
8.8
CVSS Score
Published: February 22, 2026 at 06:02 AM UTC
Updated: June 17, 2026 at 10:32 AM UTC
1 product affected across 1 vendorA18 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary 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/?id.347277
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.347277
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.755227
ExploitIssue Tracking
Source: cverecord
https://github.com/master-abc/cve/issues/40
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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