CVE-2026-82770

State: Published
Severity: 8.7 High
Published: Sep 14, 2026
Updated: Sep 14, 2026
Reserved: Aug 31, 2026

Description

Buffer overflow vulnerability exists in Contec RP-WAH-SR Series. If a remote attacker sends a specially crafted request to the product's web service, an arbitrary program may be executed.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	jpcert
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	jpcert

Weaknesses

CWE-120 Buffer overflow

Affected Products

Product	Versions
RP-WAH-SR1Contec Co., Ltd.	before 1.03Affected
RP-WAH-SR2Contec Co., Ltd.	before 1.03Affected
RP-WAH-SR12Contec Co., Ltd.	before 1.02Affected
RP-WAH-SR22Contec Co., Ltd.	before 1.02Affected

References

https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf
https://jvn.jp/en/vu/JVNVU99009004/

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