PatchTheCVECVE-2018-18601: The TK_set_deviceModel_req_handle function in the cloud communication component in Guardzilla GZ621W devices w
CVE-2018-18601 is a high-severity flaw (CVSS 8.1) affecting gz621w firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 33%) |
| CISA exploited list | No |
| Weakness | CWE-119 |
| Published | 2018-12-31 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-18601?
gz621w firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2018-18601 being exploited?
CVE-2018-18601 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-18601 affect?
CVE-2018-18601 affects gz621w firmware. Severity is high (CVSS 8.1). 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.
How urgent is CVE-2018-18601?
Priority 50/100. High severity; Remotely exploitable, no login, no user action