Buffer Overflow Vulnerability in Tenda HG10 Boa Web Server
CVE-2026-82542

10CRITICAL

Key Information:

Vendor

Tenda
Status
Hg10
Vendor
CVE Published:
30 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82542?

A vulnerability has been identified in the Tenda HG10, specifically within the Boa Web Server's formIPv6Routing function. This issue arises due to improper handling of the argument destNet, leading to a buffer overflow condition. This flaw allows attackers to execute remote exploits, potentially compromising the device's integrity. Publicly available exploit information amplifies the risk, emphasizing the need for immediate attention and mitigation strategies.

Affected Version(s)

HG10 300001138

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-2026-82542 - Proof of Concept

References

https://vuldb.com/vuln/397058
vdb-entrytechnical-description
https://vuldb.com/vuln/397058/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82542
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
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

sunnyyaya (VulDB User)
.