CVE-2018-25131 — Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4

Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 contains a stored cross-site scripting vulnerability in the configuration file upload functionality. Attackers can upload a malicious HTML file to that executes arbitrary JavaScript in a user's browser session when viewed.

01What is this vulnerability?

Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 contains a stored cross-site scripting vulnerability in the configuration file upload functionality. Attackers can upload a malicious HTML file to that executes arbitrary JavaScript in a user's browser session when viewed.

02Affected products

Vendor	Product	Versions
Leica Geosystems AG	GR10/GR25/GR30/GR50 GNSS	4.30.063, 4.20.232, 4.11.606, 3.22.1818, 3.10.1633, 2.62.782, 1.00.395

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: 2025-12-24T19:27:44.162Z
• Last modified: 2025-12-24T20:27:01.726Z

09References

• www.exploit-db.com — https://www.exploit-db.com/exploits/46091
• www.leica-geosystems.com — https://www.leica-geosystems.com
• www.zeroscience.mk — https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5503.php