CVE-2018-18601 — The TK_set_deviceModel_req_handle function in the cloud communication component

The TK_set_deviceModel_req_handle function in the cloud communication component in Guardzilla GZ621W devices with firmware 0.5.1.4 has a Buffer Overflow.

01What is this vulnerability?

The TK_set_deviceModel_req_handle function in the cloud communication component in Guardzilla GZ621W devices with firmware 0.5.1.4 has a Buffer Overflow.

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: 2018-12-31T16:00:00.000Z
• Last modified: 2025-05-06T18:22:44.378Z

09References

• labs.bitdefender.com — https://labs.bitdefender.com/2018/12/iot-report-major-flaws-in-guardzilla-camera…