CVE-2026-83524 — RedPort Optimizer wXa-203
As of 2026-09-01, CVE-2026-83524 is a CRITICAL-severity vulnerability in RedPort Optimizer wXa-203, CVSS v3.1 9.9, EPSS 1.6% (75.4th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-83524 as of 2026-09-01; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.
Last updated: 2026-09-01
What is CVE-2026-83524?
A security vulnerability has been detected in RedPort Optimizer wXa-203, Optimizer wXa-213 and Optimizer wXa-223 up to 20260704. This impacts the function exec of the file /xgatev1/system/datetime.php of the component System Clock. The manipulation leads to command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
The record classifies CVE-2026-83524 under weakness classes CWE-77, CWE-74. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 18 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.9 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R - CVSS v4.0 base score
- 9.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P - EPSS (FIRST)
- 1.6% probability of exploitation in the next 30 days, higher than 75.4% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-08-31, last modified 2026-09-01
Is CVE-2026-83524 being exploited?
It currently carries a trending score of 49 in the Threadlinqs vulnerability feed.
Affected products and versions
- RedPort: Optimizer wXa-203, Optimizer wXa-213, Optimizer wXa-223
How to fix CVE-2026-83524
No vendor patch reference has been recorded for CVE-2026-83524 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-83524
No threat campaign in the Threadlinqs corpus currently references CVE-2026-83524, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Enriched from CVE.org, GitHub Security Advisories, FIRST EPSS. Last verified by Threadlinqs on .
Exploit and proof of concept
Technical analysis
Third-party advisory
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