PT-2026-43003 · Edimax · Ew-7438Rpn

Bond_Yes · CVE-2026-9425 · Published 2026-04-27 · Updated 2026-05-25

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Edimax EW-7438RPn version 1.31

Description A stack-based buffer overflow occurs in the formWlanMP() function within the '/goform/formWlanMP' endpoint. This issue is triggered by the manipulation of several arguments, including ateFunc, ateGain, ateTxCount, ateChan, ateRate, ateMacID, e2pTxPower1, e2pTxPower2, e2pTxPower3, e2pTxPower4, e2pTxPower5, e2pTxPower6, e2pTxPower7, e2pTx2Power1, e2pTx2Power2, e2pTx2Power3, e2pTx2Power4, e2pTx2Power5, e2pTx2Power6, e2pTx2Power7, ateTxFreqOffset, ateMode, ateBW, ateAntenna, e2pTxFreqOffset, e2pTxPwDeltaB, e2pTxPwDeltaG, e2pTxPwDeltaMix, e2pTxPwDeltaN, and readE2P. Remote exploitation is possible.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2026-07285

CVE-2026-9425

Affected Products

Ew-7438Rpn

References · 9

• 🔥 https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_8/8.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-9425 · Security Note
• https://bdu.fstec.ru/vul/2026-07285 · Security Note
• https://vuldb.com/vuln/365406/cti · Note
• https://twitter.com/CVEnew/status/2058935291314946108 · Twitter Post
• https://twitter.com/infoflowcloud/status/2058936355384635832 · Twitter Post
• https://vuldb.com/vuln/365406 · Note
• https://vuldb.com/submit/813892 · Note
• https://t.me/CVEtracker/54823 · Telegram Post