CVE-2025-26488 | Improper input validation in XML Management service in Infinera MTC-9

Improper Input Validation vulnerability in Infinera MTC-9 allows remote unauthenticated users to crash the service and cause a reboot of the appliance, thus causing a DoS condition, via crafted XML payloads.This issue affects MTC-9: from R22.1.1.0275 before R23.0.

Published: 2025-12-08 Last update: 2025-12-22 Assigner: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158

Conclusion & alert: CVE-2025-26488 is rated Low Risk (36.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-26488

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-08 0.06%

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-26488

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 a6d3dc9e-0591-4a13-bce7-0f5b31ff6158

Weakness enumeration for CVE-2025-26488

Affected software / configurations for CVE-2025-26488

Vendor Product Version Raw CPE
nokia infinera_mtc-9_firmware >= 22.1.1.0275, < 23.0 cpe:2.3:o:nokia:infinera_mtc-9_firmware:*:*:*:*:*:*:*:*

References for CVE-2025-26488

URL Tags
https://www.cvcn.gov.it/cvcn/cve/CVE-2025-26488 Third Party Advisory
cvelogic Threat Intelligence