CVE-2023-34274
HIGHDescription
D-Link DIR-2150 LoginPassword Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SOAP API interface, which listens on TCP port 80 by default. A crafted login request can cause authentication to succeed without providing proper credentials. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20552.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 63% of all known CVEs.
References
Related Vulnerabilities
Other CWE-303 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-7593 | Critical | 9.8 | 100% | KEV | - |
| CVE-2023-29357 | Critical | 9.8 | 100% | KEV + Ransom | Fix |
| CVE-2020-8863 | High | 8.8 | 77% | - | - |
| CVE-2023-32152 | Medium | 6.5 | 29% | - | - |
| CVE-2023-32148 | Medium | 6.5 | 29% | - | - |
| CVE-2022-20695 | Critical | 10.0 | 20% | - | - |
Common questions
How do I fix CVE-2023-34274?
Upgrade dir-2150 firmware to 1.06 or later.
Is CVE-2023-34274 being actively exploited?
Not that we know of. CVE-2023-34274 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 63% of all scored CVEs.
How severe is CVE-2023-34274?
CVE-2023-34274 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2023-34274 affect?
Published advisories record a fix for dir-2150 firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-13.