Remote Command Injection in Tenda HG10 Login Interface
CVE-2026-1689

6.9MEDIUM

Key Information:

Vendor

Tenda
Status
Hg10
Vendor
CVE Published:
30 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1689?

A command injection vulnerability exists in the Tenda HG10 device's login interface, specifically within the checkUserFromLanOrWan function of the formLogin file. By manipulating the Host argument, an attacker can execute arbitrary commands on the device. This vulnerability can be exploited remotely, making it critical for users to implement the necessary security measures to protect their systems. The exploit is publicly known and poses a risk to affected devices.

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Affected Version(s)

HG10 US_HG7_HG9_HG10re_300001138_en_xpon

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-2026-1689 - Proof of Concept

References

https://vuldb.com/?id.343483
vdb-entrytechnical-description
https://vuldb.com/?ctiid.343483
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https://vuldb.com/?submit.741411
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

Abcd1234 (VulDB User)
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