EUVD-2025-20485Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | Unauthorized access to protected functionality, data, or administrative interfaces, potentially leading to full system compromise. With a CVSS score of 9.1 (CRITICAL), this represents a critical risk. |
| Exploit ScenarioDerived | An attacker manipulates authentication tokens, exploits logic flaws, or uses default credentials to bypass the login mechanism and access restricted areas. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Mar 16, 2026
Cryptographic issue occurs due to use of insecure connection method while downloading.
Earlier versions of this analysis (1)
RemediationAI
Implement robust authentication mechanisms. Use multi-factor authentication. Review authentication logic for bypass conditions. Remove default credentials.
Affected VersionsENISA
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
An authentication bypass vulnerability allows attackers to circumvent login mechanisms and gain unauthorized access without valid credentials. This vulnerability is classified as Improper Authentication (CWE-287).
Know when Ar8035 Firmware gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Executive ViewAI
Organizations using Cryptographic face critical risk from CVE-2025-21450, a improper authentication vulnerability rated CVSS 9.1. Attackers could bypass security controls to gain unauthorized access to protected resources and sensitive data. Organizations should apply vendor updates immediately when available and implement compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls; (2) Enable MFA where possible; (3) Monitor authentication logs for anomalous access.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
More in Ar8035 Firmware
View allA Qualcomm chipset vulnerability (CVE-2026-21385) causes memory corruption through improper integer handling during memo
Memory corruption in Data Modem when a non-standard SDP body, during a VOLTE call. Rated critical severity (CVSS 9.8), t
Memory corruption while playing audio file having large-sized input buffer. Rated critical severity (CVSS 9.8), this vul
Memory corruption while redirecting log file to any file location with any file name. Rated critical severity (CVSS 9.8)
Memory corruption while processing Codec2 during v13k decoder pitch synthesis. Rated critical severity (CVSS 9.8), this
Memory corruption in WLAN Host while processing RRM beacon on the AP. Rated critical severity (CVSS 9.8), this vulnerabi
Memory corruption while sending an Assoc Request having BTM Query or BTM Response containing MBO IE. Rated critical seve
Memory corruption in WLAN Firmware while parsing a NAN management frame carrying a S3 attribute. Rated critical severity
Memory Corruption in Multi-mode Call Processor while processing bit mask API. Rated critical severity (CVSS 9.8), this v
Memory corruption in WLAN Firmware while doing a memory copy of pmk cache. Rated critical severity (CVSS 9.8), this vuln
Memory corruption in Modem while processing security related configuration before AS Security Exchange. Rated critical s
Memory Corruption in Data Modem while making a MO call or MT VOLTE call. Rated critical severity (CVSS 9.8), this vulner
GitHub PoC
Exploit-DB