High severity7.5NVD Advisory· Published Dec 17, 2016· Updated Jun 17, 2026
CVE-2016-9158
CVE-2016-9158
Description
A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11cpe:2.3:o:siemens:simatic_s7-300_cpu_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:siemens:simatic_s7-300_cpu_firmware:-:*:*:*:*:*:*:*
- (no CPE)range: All versions
- cpe:2.3:o:siemens:simatic_s7-400_cpu_firmware:-:*:*:*:*:*:*:*
- Range: All versions
- Range: All versions
- Siemens AG/SIMATIC S7-300 CPU familyv5Range: All versions
- Siemens AG/SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)v5Range: All versions
- Siemens AG/SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)v5Range: All versions
- Siemens AG/SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)v5Range: All versions
- Siemens AG/SIMATIC S7-400 V6 and earlier CPU familyv5Range: All versions
- Siemens AG/SIMATIC S7-400 V7 CPU familyv5Range: All versions
Patches
Vulnerability mechanics
References
5News mentions
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