CVE-2025-40553
criticalpriority · track · 24EPSS 0.680 · 99 %ileDEEUNLRUUSEPSS · scored 2026-10-26
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0042Kwetsbaarheden verholpen in SolarWinds Web Help DeskNL2026-01-28csaf · ncsc_nlNL
SolarWinds heeft kwetsbaarheden verholpen in SolarWinds Web Help Desk.
- WID-SEC-W-2026-0247SolarWinds Web Help Desk: Mehrere SchwachstellenDeutsch2026-01-28csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in SolarWinds Web Help Desk ausnutzen, um Sicherheitsvorkehrungen zu umgehen, beliebigen Code auszuführen oder Administratorrechte zu erlangen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmcnnvd
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40553cnnvd
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmenisa_euvd
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40553enisa_euvd
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmRelease Notesnvd
- https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.pynvd
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40553Vendor Advisorynvd
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