Buffer Overflow in Tenda AC15 Router
CVE-2025-11387

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac15
Vendor
CVE Published:
7 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11387?

A stack-based buffer overflow vulnerability has been identified in the Tenda AC15 router, specifically impacting the /goform/fast_setting_pppoe_set function. This flaw is triggered through the manipulation of the Password argument, allowing an attacker to execute a remote exploit. The vulnerability has been publicly disclosed, posing a significant risk to affected devices if not addressed promptly.

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Affected Version(s)

AC15 15.03.05.18

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-11387 - Proof of Concept

References

https://vuldb.com/?id.327314
vdb-entrytechnical-description
https://vuldb.com/?ctiid.327314
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https://vuldb.com/?submit.664970
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wxhwxhwxh_mie (VulDB User)
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