CVE-2026-16455 PUBLISHED

Local privilege escalation via improper input sanitization in execl() call

Assigner: tlt_net
Reserved: 21.07.2026 Published: 13.08.2026 Updated: 13.08.2026

In Teltonika Networks RUTOS devices running versions 7.07.1 through 7.24.1 and TSWOS devices running versions 1.03 through 1.10, a vulnerability exists whereby a lower privileged user can escalate privileges to administrative level due to unsafe calls to an execl function.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Teltonika Networks
Product	RUTOS
Versions	Default: unaffected affected from RUTOS 7.07.1 to 7.24.1 (incl.)

Vendor	Teltonika Networks
Product	TSWOS
Versions	Default: unaffected affected from 1.03 to 1.10 (incl.)

Solutions

Update to RUTOS 7.24.2 or later.

Update to TSWOS 1.10.1 or later.

References

https://www.teltonika-networks.com/support/security-centre?report=CVE-2026-16455++

Problem Types

CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection') CWE

Impacts

CAPEC-233: Privilege Escalation