Quick answers
- Is CVE-2026-18368 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18368 being exploited in the wild.
- How severe is CVE-2026-18368?
- Informational severity, published 13 August 2026.
- Which products and versions are affected?
- Teltonika Networks RUTOS <UNKNOWN>.
- Is there a fix for CVE-2026-18368?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-18368 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-18368?
- Check whether you run Teltonika Networks RUTOS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A heap-based buffer overflow exists in the modbusgwd component of Teltonika RUTOS due to improper handling of Modbus TCP request data. The vulnerability can be triggered remotely by an unauthenticated attacker with network access to the affected service, without requiring authentication or user interaction. Exploitation results in denial of service through service crash. The vulnerability was reported and published by Teltonika Networks on 2026-08-13, though no patch details or CVSS score have been publicly disclosed.
Affected products
- Teltonika Networks RUTOS <UNKNOWN>
Timeline
- 2026-08-13: disclosed