CVE-2025-59463Denial-of-service (DoS) via chunk size mismatch
- 4.3MediumCVSS base score
- 0.41%Exploitation in 30 daysEPSS · top 64% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers.
Timeline
ID reserved
By SICK AG
- 41 days later
· 41 days later
Published
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 |
|---|---|---|---|
| SICK AGCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.41% · top 64% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
SICK AG · TLOC100-100 all Firmware versions
- affected all versions
What to do
Workaround: Please make sure that only trusted entities have access to the device. Furthermore, you should apply the following General Security Measures when operating the product to mitigate the associated security risk. The collected resources "SICK Operating Guidelines" and "ICS-CERT recommended practices on Industrial Security" could help to implement the general security practices.
References
References6
- https://sick.com/psirt (opens in a new tab)x_SICK PSIRT Security Advisories
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf (opens in a new tab)x_SICK Operating Guidelines
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices (opens in a new tab)x_ICS-CERT recommended practices on Industrial Security
- https://www.first.org/cvss/calculator/3.1 (opens in a new tab)x_CVSS v3.1 Calculator
- https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0013.json (opens in a new tab)x_The canonical URL.
- https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0013.pdf (opens in a new tab)vendor-advisory
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-2025-36147 (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-2025-59463)Record last updated .