EUVD-2026-21312
GHSA-wqhq-hx3v-9xwh
CVSS 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4Description
A vulnerability was found in Tenda AC9 15.03.02.13. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Performing a manipulation of the argument WANS results in stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made public and could be used.
Analysis
Stack-based buffer overflow in Tenda AC9 router firmware 15.03.02.13 enables authenticated remote attackers to execute arbitrary code or crash the device. The vulnerability resides in the decodePwd function within /goform/WizardHandle POST request handler, triggered by manipulating the WANS parameter. …
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 24 hours: Identify all Tenda AC9 routers in production using firmware version 15.03.02.13 and document their network locations and administrative access controls. Within 7 days: Contact Tenda for firmware availability status and interim mitigation options; implement network segmentation to restrict administrative access to affected devices to authorized personnel only, and disable remote management if enabled. …
Sign in for detailed remediation steps.
Priority Score
Share
External POC / Exploit Code
Leaving vuln.today