Stack-Based Buffer Overflow in Tenda AC7 - Tenda Inc.
CVE-2025-11527

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac7
Vendor
CVE Published:
9 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11527?

A stack-based buffer overflow vulnerability has been identified in the Tenda AC7 router version 15.03.06.44. The flaw resides in the '/goform/fast_setting_pppoe_set' file, specifically related to the handling of the 'Password' argument. This vulnerability allows an attacker to manipulate the input to potentially execute arbitrary code, resulting in unauthorized access to the device. Since the attack can be initiated remotely, it poses a significant threat to the security of the device and network. Users are strongly advised to assess their exposure and apply necessary security measures.

Affected Version(s)

AC7 15.03.06.44

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-2025-11527 - Proof of Concept

References

https://vuldb.com/?id.327665
vdb-entrytechnical-description
https://vuldb.com/?ctiid.327665
signaturepermissions-required
https://vuldb.com/?submit.669856
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

yhryhryhr_miemie (VulDB User)
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