CVE-2022-47767 — A backdoor in Solar-Log Gateway products allows remote access via web panel gain

A backdoor in Solar-Log Gateway products allows remote access via web panel gaining super administration privileges to the attacker. This affects Solar-Log devices that use firmware version v4.2.7 up to v5.1.1 (included). This does not exist in SL 200, 500, 1000 / fixed in 4.2.8

01What is this vulnerability?

A backdoor in Solar-Log Gateway products allows remote access via web panel gaining super administration privileges to the attacker. This affects Solar-Log devices that use firmware version v4.2.7 up to v5.1.1 (included). This does not exist in SL 200, 500, 1000 / fixed in 4.2.8 for SL 250, 300, 1200, 2000, SL 50 Gateway / fixed in 5.1.2 / 6.0.0 for SL Base.

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: 2023-01-25T00:00:00.000Z
• Last modified: 2025-04-01T15:09:14.434Z

09References

• www.swascan.com — https://www.swascan.com/security-advisory-solar-log/
• www.solar-log.com — https://www.solar-log.com/en/support/firmware-database-1