PatchTheCVECVE-2022-26941: A format string vulnerability exists in Motorola MTM5000 series firmware AT command handler for the AT+CTGL co
CVE-2022-26941 is a critical-severity flaw (CVSS 9.6) affecting mtm5500 firmware, mtm5400 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A format string vulnerability exists in Motorola MTM5000 series firmware AT command handler for the AT+CTGL command. An attacker-controllable string is improperly handled, allowing for a write-anything-anywhere scenario. This can be leveraged to obtain arbitrary code execution inside the teds_app binary, which runs with root privileges.
Why this priority
- Critical severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.6 (Critical) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 69%) |
| CISA exploited list | No |
| Weakness | CWE-134 |
| Published | 2023-10-19 |
| 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-2022-26941?
mtm5500 firmware: mitigate or apply the listed mitigation; mtm5400 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-26941 being exploited?
CVE-2022-26941 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-2022-26941 affect?
CVE-2022-26941 affects mtm5500 firmware, mtm5400 firmware. Severity is critical (CVSS 9.6). A format string vulnerability exists in Motorola MTM5000 series firmware AT command handler for the AT+CTGL command. An attacker-controllable string is improperly handled, allowing for a write-anything-anywhere scenario. This can be leverag
How urgent is CVE-2022-26941?
Priority 41/100. Critical severity
Related CVEs
- CVE-2022-27813 HIGH 8.1 MITIGATE MITIGATE Motorola MTM5000 series firmwares lack properly configured memory protection of pages shared between the OMAP-
- CVE-2022-26943 HIGH 8.8 MITIGATE MITIGATE The Motorola MTM5000 series firmwares generate TETRA authentication challenges using a PRNG using a tick count
- CVE-2022-26942 HIGH 8.2 MITIGATE MITIGATE The Motorola MTM5000 series firmwares lack pointer validation on arguments passed to trusted execution environ