High severity · published Feb 22, 2026
CVE-2026-2930
Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow
8.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A1
A18 · Tenda
15.13.07.13 · source: vendor
AF
A18 Firmware · Tenda
15.13.07.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2930
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2930
Issue Tracking
https://github.com/master-abc/cve/issues/40
Permissions Required
https://vuldb.com/?ctiid.347277
Third Party Advisory
https://vuldb.com/?id.347277
Third Party Advisory
https://vuldb.com/?submit.755227
Product
https://www.tenda.com.cn/
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