PatchTheCVECVE-2026-22907: An attacker may gain unauthorized access to the host filesystem, potentially allowing them to read and modify
CVE-2026-22907 is a critical-severity flaw (CVSS 9.9) affecting tdc-x401gl firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An attacker may gain unauthorized access to the host filesystem, potentially allowing them to read and modify system data.
Why this priority
- Critical severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.9 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-266 |
| Published | 2026-01-15 |
| 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-2026-22907?
tdc-x401gl firmware: upgrade to 1.4.0. Exact commands for each OS are on this page.
Is CVE-2026-22907 being exploited?
CVE-2026-22907 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-2026-22907 affect?
CVE-2026-22907 affects tdc-x401gl firmware. Severity is critical (CVSS 9.9). An attacker may gain unauthorized access to the host filesystem, potentially allowing them to read and modify system data.
How urgent is CVE-2026-22907?
Priority 44/100. Critical severity
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