CVE-2023-22316 — Hidden functionality vulnerability in PIX-RT100 versions RT100_TEQ_2

Hidden functionality vulnerability in PIX-RT100 versions RT100_TEQ_2.1.1_EQ101 and RT100_TEQ_2.1.2_EQ101 allows a network-adjacent attacker to access the product via undocumented Telnet or SSH services.

01What is this vulnerability?

Hidden functionality vulnerability in PIX-RT100 versions RT100_TEQ_2.1.1_EQ101 and RT100_TEQ_2.1.2_EQ101 allows a network-adjacent attacker to access the product via undocumented Telnet or SSH services.

02Affected products

Vendor	Product	Versions
PIXELA CORPORATION	PIX	RT100 — versions RT100_TEQ_2.1.1_EQ101 and RT100_TEQ_2.1.2_EQ101

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: 2023-01-17T00:00:00.000Z
• Last modified: 2025-04-04T17:49:36.747Z

09References

• www.pixela.co.jp — https://www.pixela.co.jp/products/network/pix_rt100/update.html
• jvn.jp — https://jvn.jp/en/jp/JVN57296685/index.html