Local privilege escalation via improper input sanitization in execl() call
Priority LOW 30CWE-93Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00288 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Teltonika Networks | RUTOS | RUTOS 7.07.1 – 7.24.1 | — | No fix listed | CNA |
| Teltonika Networks | TSWOS | 1.03 – 1.10 | — | No fix listed | CNA |
- RUTOS VendorTeltonika Networks Affected RUTOS 7.07.1 – 7.24.1 Fixed in — No fix listed CNA
- TSWOS VendorTeltonika Networks Affected 1.03 – 1.10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16455
- 2026-10-03 Alias added: GHSA-g34r-6m6v-97g6
More Teltonika Networks vulnerabilities
- TI-2025-04185 Account pre-hijacking through invite misuse CVSS 4.0HIGH 7.2
- TI-2023-15193 Teltonika RUT240 devices with firmware before 07.04.2, when bridge mode is used… CVSS 3.1HIGH 7.0
- TI-2024-07654 Incorrect Permission Assignment in RutOS based routers and TSWOS based managed switches CVSS 4.0MEDIUM 5.9
- TI-2020-04714 Cross-site request forgery in Teltonika Gateway TRB245 CVSS 3.1HIGH 8.8
- TI-2026-82959 Teltonika RUTOS API flaw lets unauthenticated users run OS commands CVSS 4.0CRITICAL 9.4
- TI-2023-15641 OS command injection in Teltonika RUT model routers CVSS 3.1HIGH 8.8
Sources
- CVE-2026-16455 · CVE Program
- CVE-2026-16455 · NVD
- FIRST EPSS
- GHSA-g34r-6m6v-97g6 · GitHub Advisory Database · CC BY 4.0
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