PatchTheCVECVE-2024-9197: A post-authentication buffer overflow vulnerability in the parameter "action" of the CGI program in Zyxel VMG3
CVE-2024-9197 is a medium-severity flaw (CVSS 4.9) affecting dx3300-t0 firmware, dx3300-t1 firmware, dx3301-t0 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A post-authentication buffer overflow vulnerability in the parameter "action" of the CGI program in Zyxel VMG3625-T50B firmware versions through V5.50(ABPM.9.2)C0 could allow an authenticated attacker with administrator privileges to cause a temporary denial of service (DoS) condition against the web management interface by sending a crafted HTTP GET request to a vulnerable device if the function ZyEE is enabled.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 57%) |
| CISA exploited list | No |
| Weakness | CWE-120 |
| Published | 2024-12-03 |
| 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-2024-9197?
dx3300-t0 firmware: mitigate or apply the listed mitigation; dx3300-t1 firmware: mitigate or apply the listed mitigation; dx3301-t0 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2024-9197 being exploited?
CVE-2024-9197 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-2024-9197 affect?
CVE-2024-9197 affects dx3300-t0 firmware, dx3300-t1 firmware, dx3301-t0 firmware. Severity is medium (CVSS 4.9). A post-authentication buffer overflow vulnerability in the parameter "action" of the CGI program in Zyxel VMG3625-T50B firmware versions through V5.50(ABPM.9.2)C0 could allow an authenticated attacker with administrator privileges to cause
How urgent is CVE-2024-9197?
Priority 28/100. No elevated risk signals yet.
Software pages
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