A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Tenda
  • Ac23
  • Ac23 Firmware

Configuration 1 [-]

AND
cpe:2.3:o:tenda:ac23_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac23:1.0:*:*:*:*:*:*:*

No data.

References
Link Providers
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC23-3/Tenda%20AC23%20Buffer%20overflow.md cve-icon cve-icon
https://vuldb.com/?ctiid.325161 cve-icon cve-icon
https://vuldb.com/?id.325161 cve-icon cve-icon
https://vuldb.com/?submit.654237 cve-icon cve-icon
https://www.tenda.com.cn/ cve-icon cve-icon
History

Wed, 24 Sep 2025 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Tenda ac23 Firmware
CPEs cpe:2.3:h:tenda:ac23:1.0:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac23_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda ac23 Firmware

Tue, 23 Sep 2025 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda ac23
Vendors & Products Tenda
Tenda ac23

Mon, 22 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 22 Sep 2025 15:15:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Title Tenda AC23 HTTP POST Request SetPptpServerCfg sscanf buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS: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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-09-22T15:02:07.142Z

Updated: 2025-09-22T17:18:36.553Z

Reserved: 2025-09-21T09:39:45.186Z

Link: CVE-2025-10803

cve-icon Vulnrichment

Updated: 2025-09-22T17:17:44.152Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-22T15:15:39.670

Modified: 2025-09-24T20:25:18.200

Link: CVE-2025-10803

cve-icon Redhat

No data.