CVE-2022-47036
CWE-284Published: March 18, 2024· Updated: Jun 17, 2026
Official 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.
Risk Analysis
Siklu TG Terragraph devices contain a hardcoded root password that can be recovered via brute force attacks on an MD5 hash. This critical vulnerability is remotely exploitable and carries a CVSS score of 9.8.
There is no public exploit circulating, and the vulnerability is not in the CISA KEV catalog.
The issue is not resolved by firmware 2.1.1; users must transition to newer hardware models.
Technical Analysis
CVE-2022-47036 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-284)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-47036 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts