> CVE-2026-6563 [HIGH]

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PUBLISHED
2026-04-19 09:16
MODIFIED
2026-04-19 09:16
CVSS_SCORE V3
7.4
EPSS (Prob. Exploit)
0.80%
Top 43.6%
DATA SOURCES:
NVD 🔗 2026-04-19 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25 GITHUB 🔗 2026-11-05

> DESCRIPTION

A vulnerability has been found in H3C Magic B1 up to 100R004. The affected element is the function SetAPWifiorLedInfoById of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-119 CWE-120

> CWE DETAILED DESCRIPTIONS

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. | CWE-120: Buffer Copy without Checking Size of Input - The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

> GITHUB SECURITY ADVISORY

GHSA-f525-44xv-f2qj CRITICAL

Apache Tomcat - HTTP/2 no-authority bypass of strict SNI validation

AFFECTED PACKAGES:
MAVEN / org.apache.tomcat.embed:tomcat-embed-core
>= 9.0.115, < 9.0.121
Fixed in: 9.0.121
MAVEN / org.apache.tomcat.embed:tomcat-embed-core
>= 10.1.53, <= 10.1.57
Fixed in: 10.1.59
MAVEN / org.apache.tomcat.embed:tomcat-embed-core
>= 11.0.20, < 11.0.25
Fixed in: 11.0.25
MAVEN / org.apache.tomcat:tomcat-coyote
>= 9.0.115, < 9.0.121
Fixed in: 9.0.121
MAVEN / org.apache.tomcat:tomcat-coyote
>= 10.1.53, <= 10.1.57
Fixed in: 10.1.59
MAVEN / org.apache.tomcat:tomcat-coyote
>= 11.0.20, < 11.0.25
Fixed in: 11.0.25

> HISTORIQUE DES MODIFICATIONS

Première apparition
19/04/2026 09:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buff...
Nouvelle valeur:
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buff...
📊 ENRICHISSEMENT 01/05/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buff...
Total des modifications: 2 Dernière mise à jour: 1 week ago

> REFERENCES

https://github.com/K4ptor/H3C-routers-vulnerability/
https://vuldb.com/submit/789531
https://vuldb.com/vuln/358200
https://vuldb.com/vuln/358200/cti
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