A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
CVE-2025-7854
HIGHPre-NVD 8.88.8—Elevated
EchelonGraph scoreMEDIUM confidence
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2025-07-19. a secondary CVSS source baseline 8.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: Elevated riskExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EG Risk
- 56(Track)EG Risk 56/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity88% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 62%
- KEV
- Not listed
Published
July 19, 2025
Last Modified
June 17, 2026
References (6)
- cna@vuldbhttps://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromVirtualSer.md
- cna@vuldbhttps://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromVirtualSer.md#poc
- cna@vuldbhttps://vuldb.com/?ctiid.316944
- cna@vuldbhttps://vuldb.com/?id.316944
- cna@vuldbhttps://vuldb.com/?submit.616366
- cna@vuldbhttps://www.tenda.com.cn/
Related CVEs
Related CVEs are temporarily unavailable — the same-product, same-vendor and same-CWE lists could not be loaded just now. That is not a sign that none exist; please retry shortly.
Frequently asked(5)
What is CVE-2025-7854?
CVE-2025-7854 is a high vulnerability published on July 19, 2025. A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been…
When was CVE-2025-7854 disclosed?
CVE-2025-7854 was first published in the National Vulnerability Database on July 19, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-7854 actively exploited?
CVE-2025-7854 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 37.6% of all scored CVEs.
What is the CVSS score of CVE-2025-7854?
CVE-2025-7854 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2025-7854?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-7854, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-7854
Is Your Infrastructure Affected by CVE-2025-7854?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.