CVE-2021-33259
MEDIUMCVSS 5.3/10EPSS 2.19%
Last modified
CVE-2021-33259 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Several web interfaces in D-Link DIR-868LW 1.12b have no authentication requirements for access, allowing for attackers to obtain users' DNS query history.. EPSS estimates a 2.19% chance of exploitation in the next 30 days.
Description
Several web interfaces in D-Link DIR-868LW 1.12b have no authentication requirements for access, allowing for attackers to obtain users' DNS query history.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| D-Link | Dir-868lw Firmware | 1.12b |
References
- https://github.com/jayus0821/uai-poc/blob/main/D-Link/DIR-868L/webaccess_UAI.mdExploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Not Applicable
- https://github.com/jayus0821/uai-poc/blob/main/D-Link/DIR-868L/webaccess_UAI.mdExploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Not Applicable
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33259?
Several web interfaces in D-Link DIR-868LW 1.12b have no authentication requirements for access, allowing for attackers to obtain users' DNS query history.
How severe is CVE-2021-33259?
CVE-2021-33259 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.19% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33259?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-33235Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-33236Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-33237Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. Consult I…
- CVE-2021-3325Monitorix 3.13.0 allows remote attackers to bypass Basic Aut…9.8
- CVE-2021-33254An issue was discovered in src/http/httpLib.c in EmbedThis A…7.5
- CVE-2021-33256A CSV injection vulnerability on the login panel of ManageEn…8.8
- CVE-2021-3326The iconv function in the GNU C Library (aka glibc or libc6)…7.5
- CVE-2021-33265D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.1…9.8
- CVE-2021-33266D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.1…9.8
- CVE-2021-33267D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.1…9.8
- CVE-2021-33268D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.1…9.8
- CVE-2021-33269D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.1…9.8
Are you affected by CVE-2021-33259?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST