CVE-2022-47036 — Siklu TG Terragraph devices before approximately 2

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

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-03-18T00:00:00.000Z
• Last modified: 2024-08-27T16:18:46.526Z

09References

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