High severity · published Oct 19, 2023
CVE-2022-26941
A format string vulnerability exists in Motorola MTM5000 series firmware AT command handler for the AT+CTGL command
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
Mtm5400 Firmware · Motorola
All versions, or not specified · source: NVD
MF
Mtm5500 Firmware · Motorola
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26941
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26941
Technical Description
https://tetraburst.com/
More from Mtm5400 Firmware
8.8
CVE-2022-26943
The Motorola MTM5000 series firmwares generate TETRA authentication challenges using a PRNG using a tick count register as its sole entropy source
8.2
CVE-2022-27813
Motorola MTM5000 series firmwares lack properly configured memory protection of pages shared between the OMAP-L138 ARM and DSP cores
8.2
CVE-2022-26942
The Motorola MTM5000 series firmwares lack pointer validation on arguments passed to trusted execution environment (TEE) modules