CVE-2018-17903 — SAGA1-L8B with any firmware versions prior to A0

SAGA1-L8B with any firmware versions prior to A0.10 are vulnerable to a replay attack and command forgery.

01What is this vulnerability?

SAGA1-L8B with any firmware versions prior to A0.10 are vulnerable to a replay attack and command forgery.

02Affected products

Vendor	Product	Versions
GAIN Electronic Co. Ltd	SAGA1	L8B — All firmware versions prior to A0.10

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: 2018-10-24T22:00:00.000Z
• Last modified: 2024-09-16T18:09:10.678Z

09References

• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-18-296-02
• www.securityfocus.com — http://www.securityfocus.com/bid/105729