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CVE-2023-33626

30
FAUCET Score

CVE-2023-33626 is a critical stack overflow vulnerability affecting D-Link DIR-600 Hardware Version B5, Firmware Version 2.18, specifically within the gena.cgi binary. This vulnerability has a CVSS score of 9.8, indicating a critical severity due to its network-based attack vector, low attack complexity, and high potential for confidentiality, integrity, and availability impacts. While there is no evidence of active exploitation (not in KEV or Hot List), and no public exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with over 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
2.18CPE matchmatch criteria
cpe:2.3:o:dlink:dir-600_firmware:2.18:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.53%
Probability of exploitation in next 30 days
EPSS Percentile
72.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0153 is in the 59th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / naihsin/IoT/blob/main/D-Link/DIR-600/overflow/README.md
ExploitThird Party Advisory
github.com / naihsin/IoT/tree/main/D-Link/DIR-600/overflow
ExploitThird Party Advisory
dlink.com / en/security-bulletin
Vendor Advisory