CVE-2025-6073

highpriority · track · 0EPSS 0.004 · 36 %ileCHEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.42% (36th) EPSS
CVSS 7.5 · high
Is it mine?
16 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · abb_psirt

EPSS · scored 2026-10-27

Stack-based Buffer Overflow vulnerability in ABB RMC-100, ABB RMC-100 LITE. When the REST interface is enabled by the user, and an attacker gains access to the control network, and user/password broker authentication is enabled, and CVE-2025-6074 is exploited, the attacker can overflow the buffer for username or password. This issue affects RMC-100: from 2105457-043 through 2105457-045; RMC-100 LITE: from 2106229-015 through 2106229-016.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRMC-100abb_psirt

    The problem is corrected in RMC-100 version (2105457-046) and RMC-100 LITE version (2106229-018)

  • FixedRMC-100 LITEabb_psirt

    The problem is corrected in RMC-100 version (2105457-046) and RMC-100 LITE version (2106229-018)

  • FixedRMC-100cisa_csaf_ot

    The problem is corrected in RMC-100 version (2105457-046) and RMC-100 LITE version (2106229-018)

  • FixedRMC-100 LITEcisa_csaf_ot

    The problem is corrected in RMC-100 version (2105457-046) and RMC-100 LITE version (2106229-018)

02

cvss

Technical severity, 0–10. One row per scoring source.

8.2
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · cybersecurity@ch.abb.comexploitability 3.9 · impact 3.6
v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:Osecondary · ABB PSIRT
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:Osecondary · CISA US
v4.08.2highCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · cybersecurity@ch.abb.com
v4.08.2highCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.04.6mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (16)

Products and version ranges known to be affected.

06

advisories (2)

Vendor and ecosystem advisories describing this.

  • 9AKK108471A3623RMC - 100 Vulnerabilities in web UI (REST Interface)2025-07-03csaf · abb_psirtCH

    ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited these vulnerabilities could gain unauthenticated access to the MQTT configu-ration data (CVE-2025-6074), cause a DoS on the MQTT configuration web server (REST interface) (CVE-2025-6073, CVE-2025-6072), or decrypt encrypted MQTT broker credentials (CVE-2025-6071).

  • ICSA-25-196-02ABB RMC-100 (Update A)2025-07-03icsa · cisa_csaf_otUS

    ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited these vulnerabilities could gain unauthenticated access to the MQTT configu-ration data (CVE-2025-6074), cause a DoS on the MQTT configuration web server (REST interface) (CVE-2025-6073, CVE-2025-6072), or decrypt encrypted MQTT broker credentials (CVE-2025-6071).

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

09

references (4)

External citations — patches, advisories, analysis.

scry

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