Teltonika RUT240 devices with firmware before 07.04.2, when bridge mode is used…
Priority HIGH 66Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Teltonika RUT240 devices with firmware before 07.04.2, when bridge mode is used, sometimes make SSH and HTTP services available on the IPv6 WAN interface even though the UI shows that they are only available on the LAN interface.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00203 10th 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
- Poc
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:teltonika-networks:rut240_firmware:*:*:*:*:*:*:*:* | before 00.07.04.2 | Vulnerable | Teltonika Networks |
| cpe:2.3:h:teltonika-networks:rut240:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Teltonika Networks |
- cpe:2.3:o:teltonika-networks:rut240_firmware:*:*:*:*:*:*:*:* Versions before 00.07.04.2 Vulnerable ·Teltonika Networks
- cpe:2.3:h:teltonika-networks:rut240:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Teltonika Networks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31728
- 2026-10-03 Alias added: GHSA-88cf-9f4g-48wr
References
More Teltonika Networks Rut240 Firmware vulnerabilities
- TI-2023-15641 OS command injection in Teltonika RUT model routers CVSS 3.1HIGH 8.8
- TI-2023-15640 Version 00.07.03.4 and prior of Teltonika’s RUT router firmware contain a packet dump… CVSS 3.1HIGH 8.8
Sources
- CVE-2023-31728 · CVE Program
- CVE-2023-31728 · NVD
- FIRST EPSS
- GHSA-88cf-9f4g-48wr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences