CVE-2025-10127
published 2025-09-11CVE-2025-10127: Daikin Europe N.V Security Gateway is vulnerable to an authorization bypass through a user-controlled key vulnerability that could allow an attacker to bypass…
PriorityP265critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.61%
44.6th percentile
Daikin Europe N.V
Security Gateway is vulnerable to an authorization bypass through
a user-controlled key vulnerability that could allow an attacker to
bypass authentication. An unauthorized attacker could access the system
without prior credentials.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| daikin_europe_n.v | security_gateway | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Vulnerability is exploitable remotely with low attack complexity and no prior credentials required (CVSS v3.1: AV:N/AC:L/PR:N/UI:N); monitor for unauthenticated access attempts against Daikin Security Gateway management interfaces ↗
- →Public Proof of Concept (PoC) exploit exists authored by Gjoko Krstic; expect opportunistic scanning and exploitation attempts against exposed Daikin Security Gateway devices ↗
- →Affected product version is Security Gateway App: 100, Frm: 214; fingerprint exposed devices on the network and flag any internet-facing instances for immediate isolation ↗
- ·Vendor (Daikin Europe N.V) has confirmed they will NOT patch this vulnerability; no fix is forthcoming, making network-level controls the only mitigation ↗
- ·The vulnerability class is CWE-640 (Weak Password Recovery Mechanism for Forgotten Password), meaning the authentication bypass likely abuses the password reset flow via a user-controlled key; review and restrict access to any password-recovery endpoints on the device ↗
- ·Deployed globally in the Energy critical infrastructure sector; devices should not be internet-accessible and must be isolated behind firewalls ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.8HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L/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:X
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GHSA
GHSA-fv4f-72j5-c8mx: Daikin Security Gateway is vulnerable to an authorization bypass through
a user-controlled key vulnerability that could allow an attacker to
bypass au
ghsa_unreviewed·2025-09-11
CVE-2025-10127 [HIGH] CWE-640 GHSA-fv4f-72j5-c8mx: Daikin Security Gateway is vulnerable to an authorization bypass through
a user-controlled key vulnerability that could allow an attacker to
bypass au
Daikin Security Gateway is vulnerable to an authorization bypass through
a user-controlled key vulnerability that could allow an attacker to
bypass authentication. An unauthorized attacker could access the system
without prior credentials.
CISA ICS
Daikin Security Gateway
cisa_ics·2025-09-18·CVSS 9.8
[CRITICAL] Daikin Security Gateway
ICS Advisory
##
Daikin Security Gateway
Last RevisedSeptember 18, 2025
Alert CodeICSA-25-254-10
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v4 8.8
- ATTENTION: Exploitable remotely/low attack complexity/public exploits are available
- Vendor: Daikin Europe N.V
- Equipment: Security Gateway
- Vulnerability: Weak Password Recovery Mechanism for Forgotten Password
## 2. RISK EVALUATION
Successful exploitation of this vulnerability could allow an attacker to gain unauthorized access to the system.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED PRODUCTS
The following versions of Daikin Europe N.V Security Gateway are affected:
- Security Gateway: App: 100, Frm: 214
## 3.2 VULNER
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-09-11
Published