Vulnerability details

CVE-2025-11325

Tenda AC18

Tenda AC18 fast_setting_pppoe_set stack-based overflow

CVSS 4.0

8.7High

Official description

A security flaw has been discovered in Tenda AC18 15.03.05.19(6318). Affected by this issue is some unknown functionality of the file /goform/fast_setting_pppoe_set. Performing a manipulation of the argument Username results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Tenda	AC18	15.03.05.19(6318)	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/?id.327208 vdb-entrytechnical-description
https://vuldb.com/?ctiid.327208 signaturepermissions-required
https://vuldb.com/?submit.664527 third-party-advisory
https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/fast_setting_pppoe_set.md exploit
https://www.tenda.com.cn/ product

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Details

Published: 2025-10-06
Last updated: 2026-02-24
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.81%

Probability of exploitation in 30 days

57.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow
CWE-119
Memory Corruption