SecuriTricks - CVE-2025-65221

Description

Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.

Product(s) Impacted

Vendor	Product	Versions
Tenda	Ac21 Firmware Ac21	16.03.08.16 -

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-121

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
o	tenda	ac21_firmware	16.03.08.16	/	/	/	/	/	/	/
h	tenda	ac21	-	/	/	/	/	/	/	/

References

https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN2.md

CVSS Score

4.3 / 10

CVSS Data - 3.1

Attack Vector: ADJACENT_NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: LOW

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

View Vector String

Timeline

Published: Nov. 20, 2025, 3:17 p.m.
Last Modified: Nov. 21, 2025, 5:25 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CVE-2025-65221