CVE-2023-3526PHOENIX CONTACT: Cross-site Scripting vulnerability in TC ROUTER, TC CLOUD CLIENT and CLOUD CLIENT devices
- 9.6CriticalCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 21% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In PHOENIX CONTACTs TC ROUTER and TC CLOUD CLIENT in versions prior to 2.07.2 as well as CLOUD CLIENT 1101T-TX/TX prior to 2.06.10 an unauthenticated remote attacker could use a reflective XSS within the license viewer page of the devices in order to execute code in the context of the user's browser.
Timeline
ID reserved
By CERTVDE
- 33 days later
· 33 days later
Published
- 19 months later
· 19 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CERTVDECNA (assigner) | 3.1 | Critical9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.6.
Affected products
PHOENIX CONTACT · CLOUD CLIENT 1101T-TX/TX
- affected < 2.06.10
PHOENIX CONTACT · TC CLOUD CLIENT 1002-4G
- affected < 2.07.2
PHOENIX CONTACT · TC CLOUD CLIENT 1002-4G ATT
- affected < 2.07.2
PHOENIX CONTACT · TC CLOUD CLIENT 1002-4G VZW
- affected < 2.07.2
PHOENIX CONTACT · TC ROUTER 3002T-4G
- affected < 2.07.2
PHOENIX CONTACT · TC ROUTER 3002T-4G ATT
- affected < 2.07.2
PHOENIX CONTACT · TC ROUTER 3002T-4G VZW
- affected < 2.07.2
References
References3
- https://cert.vde.com/en/advisories/VDE-2023-017 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Aug/12 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/174152/Phoenix-Contact-TC-Cloud-TC-Router-2.x-XSS-Memory-Consumption.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-44183 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-3526)Record last updated .