CVE-2026-2877

HIGH

Tenda A18 15.13.07.13 - Buffer Overflow

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.347130
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.347130
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.754703
Issue Tracking exploit issue-tracking
https://github.com/master-abc/cve/issues/39
Various Sources product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0010
EPSS Percentile 27.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-121 CWE-119
Status published
Products (1)
tenda/a18_firmware 15.13.07.13
Published Feb 21, 2026
Tracked Since Feb 22, 2026