Thomson TCW710 RGFirewallEL Persistent cross site scriting

published 2022-06-12 4 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13807

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

A vulnerability, which was classified as problematic, was found in Thomson TCW710 ST5D.10.05. Affected is an unknown function of the file /goform/RGFirewallEL. The manipulation of the argument EmailAddress/SmtpServerName with the input ><script>alert(1)</script> as part of POST Request leads to cross site scripting (Persistent). It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-14)

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

alquimistadesistemas.com https://alquimistadesistemas.com/auditando-router-thomson-tcw710 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

Thomson TCW710

Classification

Weakness

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
CWE-79 Improper Neutralization of Input During Web Page Generation

References

alquimistadesistemas.com /auditando-router-thomson-tcw710
exploit, third-party-advisory
vuldb.com /?id.126696
third-party-advisory

Sources

CVE List CVE-2018-25035
NVD CVE-2018-25035

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary