Wago 750-829 Firmware vulnerabilities

24 CVEs affecting Wago 750-829 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2015-10123, published 2024-03-13.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2021-34586, published 2021-10-26. High severity, CVSS 7.5. EPSS: 14.1% chance of exploitation in the next 30 days. In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.
CVE-2021-34583, published 2021-10-26. High severity, CVSS 7.5. EPSS: 8.4% chance of exploitation in the next 30 days. Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.
CVE-2021-30186, published 2021-05-25. High severity, CVSS 7.5. EPSS: 7.4% chance of exploitation in the next 30 days. CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
CVE-2021-30195, published 2021-05-25. High severity, CVSS 7.5. EPSS: 7.2% chance of exploitation in the next 30 days. CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
CVE-2018-8836, published 2018-04-03. Medium severity, CVSS 5.3. EPSS: 3.7% chance of exploitation in the next 30 days. Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the…
CVE-2019-10712, published 2019-05-07. Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days. The Web-GUI on WAGO Series 750-88x (750-330, 750-352, 750-829, 750-831, 750-852, 750-880, 750-881, 750-882, 750-884, 750-885, 750-889) and Series 750-87x (750-830, 750-849, 750-871, 750-872, 750-873)…
CVE-2020-12516, published 2020-12-10. High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days. Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.
CVE-2021-30190, published 2021-05-25. Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days. CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.
CVE-2021-30189, published 2021-05-25. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.
CVE-2021-30188, published 2021-05-25. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.

Latest

CVE-2015-10123, published 2024-03-13. High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days. An unautheticated remote attacker could send specifically crafted packets to a affected device. If an authenticated user then views that data in a specific page of the web-based management a buffer…
CVE-2023-1620, published 2023-06-26. Medium severity, CVSS 4.9. EPSS: 0.9% chance of exploitation in the next 30 days. Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
CVE-2023-1619, published 2023-06-26. Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days. Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a malformed packet.
CVE-2021-34596, published 2021-10-26. Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days. A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.
CVE-2021-34595, published 2021-10-26. High severity, CVSS 8.1. EPSS: 0.9% chance of exploitation in the next 30 days. A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a…
CVE-2021-34585, published 2021-10-26. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an…
CVE-2021-34584, published 2021-10-26. Critical severity, CVSS 9.1. EPSS: 1.1% chance of exploitation in the next 30 days. Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.