750 893 Firmware

750-893_firmware

Vendor: Wago • 22 CVEs

CVEs (22)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2023-1620 1Wago 76750 331 Firmware 750 8202/000 011 Firmware750 8202/000 012 Firmware+73 more Nov 21, 2024 Jun 26, 2023 N/A· v4 4.9 MEDIUM· v3 N/A· v2 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 1Wago 76750 331 Firmware 750 8202/000 011 Firmware750 8202/000 012 Firmware+73 more Nov 21, 2024 Jun 26, 2023 N/A· v4 4.9 MEDIUM· v3 N/A· v2 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-2023-1150 1Wago 18750 362/000 001 Firmware 750 362/040 000 Firmware750 362 Firmware+15 more Nov 21, 2024 Jun 26, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Uncontrolled resource consumption in Series WAGO 750-3x/-8x products may allow an unauthenticated remote attacker to DoS the MODBUS server with specially crafted packets.
CVE-2021-34596 2Codesys Wago 30750 8202 Firmware 750 8203 Firmware750 8204 Firmware+27 more Aug 15, 2025 Oct 26, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 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 2Codesys Wago 30750 8202 Firmware 750 8203 Firmware750 8204 Firmware+27 more Aug 15, 2025 Oct 26, 2021 N/A· v4 8.1 HIGH· v3 5.5 MEDIUM· v2 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 denial-of-service condition or loc...Show more 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 denial-of-service condition or local memory overwrite.Show less
CVE-2021-34586 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 Oct 26, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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-2021-34585 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 Oct 26, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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 invalid address can occur...Show more 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 invalid address can occur. This leads to a denial of service situation.Show less
CVE-2021-34584 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 Oct 26, 2021 N/A· v4 9.1 CRITICAL· v3 6.4 MEDIUM· v2 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.
CVE-2021-34583 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 Oct 26, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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-2021-34578 1Wago 12750 362 Firmware 750 363 Firmware750 823 Firmware+9 more Nov 21, 2024 Aug 31, 2021 N/A· v4 8.1 HIGH· v3 6.8 MEDIUM· v2 This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware ve...Show more This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.Show less
CVE-2021-30195 2Codesys Wago 29750 8202 Firmware 750 8203 Firmware750 8204 Firmware+26 more Aug 15, 2025 May 25, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
CVE-2021-30194 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 9.1 CRITICAL· v3 6.4 MEDIUM· v2 CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.
CVE-2021-30193 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.
CVE-2021-30192 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.
CVE-2021-30191 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.
CVE-2021-30190 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.
CVE-2021-30189 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.
CVE-2021-30188 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.
CVE-2021-30186 2Codesys Wago 29750 8202 Firmware 750 8203 Firmware750 8204 Firmware+26 more Aug 15, 2025 May 25, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
CVE-2021-30187 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Aug 15, 2025 May 25, 2021 N/A· v4 5.3 MEDIUM· v3 4.6 MEDIUM· v2 CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.

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