CVE-2019-12550 — WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices

WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and TELNET.

01What is this vulnerability?

WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and TELNET.

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: 2019-06-17T16:29:08.000Z
• Last modified: 2024-08-04T23:24:38.843Z

09References

• www.wago.com — https://www.wago.com/us/
• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-19-164-02
• cert.vde.com — https://cert.vde.com/en-us/advisories/vde-2019-013