Security readout for executives and security teams
Plain-English summary
A legacy Thomson TCW710 router firmware version can store unsafe parental-control keyword input and later show it as browser-executed script. Business impact is limited but real: an authenticated user could tamper with what another user sees in the router interface.
Executive priority
Treat as low priority unless these routers manage sensitive networks or are broadly accessible. Address during normal maintenance, with faster action if exposed management access is found.
Technical view
CVE-2018-25039 is a persistent cross-site scripting issue in /goform/RgUrlBlock.asp affecting Thomson TCW710 ST5D.10.05. The vulnerable input is BasicParentalNewKeyword. CVSS 3.1 is 3.5: network-reachable, low complexity, low privileges required, user interaction required, with low integrity impact only.
Likely exposure
Exposure appears limited to environments still using Thomson TCW710 firmware ST5D.10.05 where the router management or parental-control interface is reachable to authenticated users.
Exploitation context
The exploit has been publicly disclosed, but the bundle does not show CISA KEV listing or confirmed active exploitation. Sources indicate remote initiation is possible, with privileges and user interaction required.
Researcher notes
Evidence identifies one affected product and version, one vulnerable endpoint, one parameter, and CWE-80. No patch, vendor advisory, CPE, or active exploitation confirmation is included in the provided bundle.
Mitigation direction
- Check Thomson or service-provider guidance for firmware updates or replacement advice.
- Restrict router management access to trusted administrators and networks.
- Remove suspicious stored parental-control keyword entries after review.
- Use strong administrative credentials and limit shared administrator access.
- Replace unsupported affected devices if no vendor fix is available.
Validation and detection
- Inventory Thomson TCW710 devices and confirm firmware version ST5D.10.05.
- Review whether the management interface is reachable beyond trusted networks.
- Inspect parental-control keyword entries for unexpected script-like content without executing it.
- Check CVE and vendor-linked references for updated remediation guidance.
- Confirm access controls require authenticated administrative users.
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-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-2018-25039 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
- 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.126700CVE 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.