Description
A vulnerability was identified in Tenda AC21 16.03.08.16. This vulnerability affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument startIp leads to buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.330906
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.330906
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.678491
Exploit, Issue Tracking, Third Party Advisory broken-link
exploit
issue-tracking
https://github.com/LX-LX88/cve/issues/10
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0024
EPSS Percentile
47.2%
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-119
CWE-120
Status
published
Products (1)
tenda/ac21_firmware
16.03.08.16
Published
Nov 03, 2025
Tracked Since
Feb 18, 2026