Security readout for executives and security teams
Plain-English summary
RedPort Optimizer devices may allow a low-privileged remote user to execute operating-system commands through the clock-setting function. Successful abuse could expose data, alter device operation, or interrupt service. The issue is critical, but the supplied sources do not establish active exploitation or identify a vendor patch.
Executive priority
Treat this as an immediate investigation and containment priority because successful exploitation could fully compromise an affected device. Identify exposed systems promptly, restrict access, and seek vendor remediation guidance. Do not describe the issue as actively exploited without new evidence.
Technical view
CVE-2026-83524 is command injection in the exec function of /xgatev1/system/datetime.php. It affects Optimizer wXa-203, wXa-213, and wXa-223 through version 20260704. CVSS 3.1 is 9.9: network reachable, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where an affected Optimizer's management or application interface is reachable by untrusted networks or accounts. Authentication appears required because the supplied CVSS vector specifies low privileges. The bundle does not establish default exposure, deployment prevalence, or whether every configuration is exploitable.
Exploitation context
A technical exploit was publicly disclosed, so attempted exploitation is plausible. However, the CVE is not listed in KEV, and the supplied sources provide no evidence of confirmed exploitation in the wild. The vendor reportedly did not respond to the disclosure.
Researcher notes
The classification maps to CWE-74 and CWE-77. The supplied record attributes injection to an exec call in the System Clock endpoint. Important gaps include the vulnerable parameter, authentication path, affected configuration conditions, indicators, and fixed versions. Avoid inferring those details from the CVSS vector alone.
Mitigation direction
- Inventory RedPort Optimizer wXa-203, wXa-213, and wXa-223 devices and record their installed versions.
- Restrict affected management interfaces to trusted administrative networks and authorized accounts as an interim risk reduction.
- Review account permissions and remove unnecessary low-privileged access to system clock functionality.
- Check RedPort guidance for a confirmed fixed release or vendor-approved mitigation; none is identified in the bundle.
- If safe remediation is unavailable, consider isolating affected devices until vendor guidance is published.
Validation and detection
- Confirm product model and version, prioritizing installations at or below version 20260704.
- Determine whether /xgatev1/system/datetime.php is reachable from untrusted networks or low-privileged accounts.
- Review authentication, web, and system logs for unusual clock-setting requests or unexpected command execution.
- Verify network controls prevent unauthorized access to affected interfaces.
- After remediation, confirm the vendor-designated fixed version and repeat access-control and log reviews.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-74: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-83524 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
4 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R3.16VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R3.16VulDBCVSS: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——VulDBAV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR810VulDBVulnerability scoring details
Base CVSS 4.0 score
9.4CriticalVector: 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
Base CVSS 3.1 score
9.9CriticalVector: 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
Base CVSS 3.0 score
9.9CriticalVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Base CVSS 2.0 score
9CriticalVector: AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineVulDB
Advisory disclosed
- Source timelineVulDB
VulDB entry created
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineVulDB
VulDB entry last update
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- VDB-397374 | RedPort Optimizer wXa-223 System Clock datetime.php exec command injectionCVE reference, VulDB · vdb-entry, technical-description
- VDB-397374 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference, VulDB · signature, permissions-required
- CVE-2026-83524 | CVE Analysis and ReportCVE reference, VulDB · third-party-advisory
- Submit #880051 | https://www.redportglobal.com/ RedPort Optimizer wXa-213 wXa-213、wXa-203、wXa-223 Command InjectionCVE reference, VulDB · third-party-advisory
- https://uvxbywu62qm.feishu.cn/wiki/EA4TwFTx0ih9IhkJX5QcnCmlnSd?from=from_copylinkCVE reference, VulDB · exploit
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.