Vulnerability details

CVE-2026-9479

Edimax EW-7438RPn

Edimax EW-7438RPn formLogout stack-based overflow

CVSS 4.0

8.7High

Official description

A security vulnerability has been detected in Edimax EW-7438RPn 1.31. The affected element is the function formLogout of the file /goform/formLogout. The manipulation of the argument submit-url leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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
Edimax	EW-7438RPn	1.31	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/365460 vdb-entrytechnical-description
https://vuldb.com/vuln/365460/cti signaturepermissions-required
https://vuldb.com/submit/813901 third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_17/17.md exploit

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Details

Published: 2026-05-25
Last updated: 2026-05-26
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.58%

Probability of exploitation in 30 days

48.3%

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