by Kastro
Paper/Archive/CVE-2026-78319

CVE-2026-78319

Sauter modu680-AS — TOCTOU Vulnerability in file exchange

EPSS 0.6%CVSS 9.3
critical.is priorityof 100
38
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 49.0.490 × 209.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition. An unauthenticated remote attacker could exploit this race condition to bypass intended security controls. This may result in the execution of unauthorized code.

Affected

ProductAffectedFixed inSource
modu680-AS1.0.0 – < 4.0.04.0.0CNA
modu660-AS1.0.0 – < 4.0.04.0.0CNA
modu612-LC1.0.0 – < 4.0.04.0.0CNA
ecos5041.0.0 – < 7.0.07.0.0CNA
ecos5051.0.0 – < 7.0.07.0.0CNA

Scores by source

CERTVDE (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcertvde.com/en/advisories/VDE-2026-093refsauter.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-093.json