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VAR-202511-2330

Vulnerability from variot - Updated: 2025-12-20 23:44

Shenzhen Tenda Technology Co.,Ltd. of ac21 A stack-based buffer overflow vulnerability exists in the firmware.Service operation interruption (DoS) It may be in a state. The Tenda AC21 is a dual-band gigabit wireless router from Tenda Technology, designed for high-speed home internet needs. It supports 802.11ac wave2 technology, with a dual-band concurrent speed of up to 2033Mbps, including 1733Mbps on the 5GHz band, meeting the demands of high-bandwidth applications such as 4K video and live streaming. This vulnerability stems from the fact that the urls parameter in the /goform/saveParentControlInfo file fails to properly validate the length of input data. Attackers can exploit this vulnerability to cause a denial-of-service attack

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CVE-2025-65223 (GCVE-0-2025-65223)

Vulnerability from cvelistv5 – Published: 2025-11-20 00:00 – Updated: 2025-11-20 15:30

Summary

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

Severity ?

4.3 (Medium)


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

CWE

Assigner

mitre

References

URL

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202511-2330

CVE-2025-65223 (GCVE-0-2025-65223)

Tags

Sightings

Nomenclature