Stack-based Buffer Overflow in Tenda A18 HTTP POST Request Handler
CVE-2025-0848

7.1HIGH

Key Information:

Vendor

Tenda
Status
A18
Vendor
CVE Published:
30 January 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-0848?

A stack-based buffer overflow vulnerability exists in the SetCmdlineRun function of the HTTP POST Request Handler in Tenda A18 routers, specifically in versions up to 15.13.07.09. This issue can be exploited remotely when manipulating the wpapsk_crypto5g argument, potentially leading to unauthorized access or other malicious actions. With the exploit details publicly disclosed, it is crucial for users to update their devices to mitigate risks.

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Affected Version(s)

A18 15.13.07.09

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-2025-0848 - Proof of Concept

References

https://vuldb.com/?id.294011
vdb-entrytechnical-description
https://vuldb.com/?ctiid.294011
signaturepermissions-required
https://vuldb.com/?submit.485802
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
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

alc9700 (VulDB User)
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