CVE-2025-40551
SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability
- Published
- Jan 28, 2026
- Updated
- Oct 7, 2026
- Assigning CNA
- SolarWinds
- Evidence observed
- Feb 3, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.7%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
modules/exploits/multi/http/solarwinds_webhelpdesk_rce.rb
Metasploit Framework modulesDeclared conditions
- platform: Linux,Unix,Windows($.exploit_multi/http/solarwinds_webhelpdesk_rce.platform)
- verification: check_declared($.exploit_multi/http/solarwinds_webhelpdesk_rce.check)
http/cves/2025/CVE-2025-40551.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: dsl,status,word($.matchers[*].type)
- oob: interactsh_reference($.template_text)
Responsible use
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