CVE-2025-59463: SICK TLOC100-100 all Firmware versions · Deadlock
Affects SICK TLOC100-100 all Firmware versionsSource CVE Database V5
Not known to be exploited · CVSS 4.3 Medium.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 27 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 24 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SICK AG TLOC100-100 all Firmware versions | Affected
| Fixed in– |
AI-suggested
Since no patches are currently available, organizations should implement network segmentation to restrict access to the TLOC100-100 devices, limiting exposure to adjacent network attackers. Monitoring file transfer operations for anomalies such as repeated failures or stalls can provide early warning of exploitation attempts. Employ strict access controls and network-level filtering to prevent unauthorized entities from initiating file transfers. Engage with SICK AG for updates and apply firmware patches promptly once released. Additionally, consider implementing redundant systems or fallback procedures to maintain operations during potential service disruptions. Document and rehearse incident response plans specific to availability issues caused by this vulnerability to minimize downtime.
Description
An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers.
References
- sick.com/psirt (opens in a new tab)
- sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf (opens in a new tab)
- cisa.gov/resources-tools/resources/ics-recommended-practices (opens in a new tab)
- first.org/cvss/calculator/3.1 (opens in a new tab)
- sick.com/.well-known/csaf/white/2025/sca-2025-0013.json (opens in a new tab)
- sick.com/.well-known/csaf/white/2025/sca-2025-0013.pdf (opens in a new tab)