CVE-2026-82770: contec co., ltd. rp-wah-sr1 Classic Buffer Overflow
CVSS: 8.8v3.1HighDeferred
Published 14-09-2026Last modified 14-09-2026
Vulnerability summary
CVE-2026-82770 is a high (CVSS 8.8) Classic Buffer Overflow vulnerability in contec co., ltd. rp-wah-sr1. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.4% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.66%
0%100%
Low · +0.20 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-09-2026PublishedVulnerability first disclosed.
- 14-09-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 2 versionsHigh 8.7Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
+0.20 pp
From 0.46% on 20-09-2026
20-09-202620-10-2026
EPSS score0.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Contec co., ltd.4 products
- rp-wah-sr1< 1.03
- rp-wah-sr12< 1.02
- rp-wah-sr2< 1.03
- rp-wah-sr22< 1.02
1 vendor · 4 products