Home

Description

A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone/time leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

PUBLISHED Reserved 2025-11-19 | Published 2025-11-20 | Updated 2025-11-20 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

16.03.08.16
affected

Timeline

2025-11-19:Advisory disclosed
2025-11-19:VulDB entry created
2025-11-19:VulDB entry last update

Credits

jiahui288 (VulDB User) reporter

References

vuldb.com/?id.333018 (VDB-333018 | Tenda AC21 SetSysTimeCfg stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.333018 (VDB-333018 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.694425 (Submit #694425 | Tenda AC21 V16.03.08.16 Buffer Overflow) third-party-advisory

vuldb.com/?submit.694430 (Submit #694430 | Tenda AC21 V16.03.08.16 Buffer Overflow (Duplicate)) third-party-advisory

github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.md related

github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2025-13446)

nvd.nist.gov (CVE-2025-13446)

Download JSON