CVE-2022-47036

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-18 · updated 2026-06-17
Weakness: CWE-284

Description

Siklu TG Terragraph devices before approximately 2.1.1 have a hardcoded root password that has been revealed via a brute force attack on an MD5 hash. It can be used for "debug login" by an admin. NOTE: the vulnerability is not fixed by the 2.1.1 firmware; instead, it is fixed in newer hardware, which would typically be used with firmware 2.1.1 or later.

Affected products

Siklu Tg Terragraph: before 2.1.1 — fixed in 2.1.1

How to fix

Upgrade to a fixed version: Siklu Tg Terragraph 2.1.1. Check the vendor advisory for mitigations.

References

https://semaja2.net/2023/06/11/siklu-tg-auth-bypass.html
https://semaja2.net/2023/06/11/siklu-tg-auth-bypass.html

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