Is CVE-2026-82770 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-82770 being exploited in the wild.

How severe is CVE-2026-82770?

High severity, with a CVSS score of 8.8, published 14 September 2026.

Which products and versions are affected?

Contec RP-WAH-SR1 prior to 1.03; Contec RP-WAH-SR12 prior to 1.02; Contec RP-WAH-SR2 prior to 1.03; Contec RP-WAH-SR22 prior to 1.02.

Is there a fix for CVE-2026-82770?

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-2026-82770 attacked?

It is attacked over the network.

Am I affected by CVE-2026-82770?

Check whether you run Contec RP-WAH-SR1, Contec RP-WAH-SR12, Contec RP-WAH-SR2 or one of the others listed 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.

CVE-2026-82770: Contec RP-WAH-SR Series buffer overflow in web service

CVE-2026-82770 · Severity: high · CVSS 8.8 · Published 2026-09-14

Contec RP-WAH-SR Series is a network appliance used in industrial automation environments. A remote attacker can send a specially crafted request to the web service to execute arbitrary code without authentication, potentially compromising the device and disrupting critical infrastructure operations.

Vendors: Contec.

Quick answers

Is CVE-2026-82770 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-82770 being exploited in the wild.
How severe is CVE-2026-82770?: High severity, with a CVSS score of 8.8, published 14 September 2026.
Which products and versions are affected?: Contec RP-WAH-SR1 prior to 1.03; Contec RP-WAH-SR12 prior to 1.02; Contec RP-WAH-SR2 prior to 1.03; Contec RP-WAH-SR22 prior to 1.02.
Is there a fix for CVE-2026-82770?: 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-2026-82770 attacked?: It is attacked over the network.
Am I affected by CVE-2026-82770?: Check whether you run Contec RP-WAH-SR1, Contec RP-WAH-SR12, Contec RP-WAH-SR2 or one of the others listed 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 buffer overflow vulnerability (CWE-120) exists in the RP-WAH-SR Series web service component. The vulnerability allows a remote attacker to send a specially crafted request that causes a buffer overflow, leading to arbitrary program execution. The attack is network-accessible and requires low complexity, though the CVSS vector indicates login credentials may be required (PR:L suggests privilege level requirement). Patches are available; affected firmware versions include RP-WAH-SR1 and RP-WAH-SR2 versions prior to 1.03, and RP-WAH-SR12 and RP-WAH-SR22 versions prior to 1.02.

Affected products

Contec RP-WAH-SR1 prior to 1.03
Contec RP-WAH-SR2 prior to 1.03
Contec RP-WAH-SR12 prior to 1.02
Contec RP-WAH-SR22 prior to 1.02

Timeline

2026-09-14: disclosed: Vulnerability publicly disclosed via NVD and JVNVU#99009004

References

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