Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in a Thomson TCW710 router firmware version. An authenticated attacker could save malicious script content in firewall email settings, which may run later in another user's browser when viewed. The business risk is limited but relevant for legacy router administration environments.
Executive priority
Treat this as a low-priority hygiene issue unless affected routers are externally administered, shared among many users, or unsupported. Prioritize containment and lifecycle replacement over emergency response.
Technical view
CVE-2018-25035 affects Thomson TCW710 ST5D.10.05 in /goform/RGFirewallEL. The EmailAddress and SmtpServerName POST parameters do not properly neutralize script content, causing persistent XSS. CVSS 3.1 is 3.5 with network access, low privileges, required user interaction, and limited integrity impact.
Likely exposure
Exposure appears limited to Thomson TCW710 devices running firmware ST5D.10.05, especially where the management interface is reachable by untrusted or broadly shared administrative users.
Exploitation context
The source bundle says an exploit was publicly disclosed and may be used. It does not provide evidence of active exploitation, and this CVE is not listed as KEV in the supplied data.
Researcher notes
Evidence identifies the affected endpoint and parameters but does not include a vendor advisory or named patch. Avoid assuming broader Thomson models or firmware versions are affected without additional source confirmation.
Mitigation direction
- Check Thomson or service-provider guidance for firmware updates or replacement advice.
- Restrict router administration access to trusted management networks only.
- Disable remote administration if it is not operationally required.
- Limit router admin accounts to trusted personnel.
- Replace unsupported affected devices if no vendor fix is available.
Validation and detection
- Inventory Thomson TCW710 devices and record firmware versions.
- Confirm whether any device runs ST5D.10.05.
- Review whether management interfaces are exposed beyond trusted networks.
- In a lab, verify affected fields safely encode stored text before rendering.
- Review admin audit records for unexpected firewall email setting changes.
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
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CWE-80: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2018-25035 mapping review
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Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
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.
CVSS vector scores
1 official scoreWe 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:R/S:U/C:N/I:L/A:N2.11.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.5LowVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://alquimistadesistemas.com/auditando-router-thomson-tcw710CVE reference · x_refsource_MISC
- https://vuldb.com/?id.126696CVE reference · x_refsource_MISC
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 Script-Related HTML Tags in a Web Page (Basic XSS)
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.