D-Link DSL6740C - Arbitrary File Reading through Path Traversal

published 2024-11-11 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-33635

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits: 0; none known

The D-Link DSL6740C modem has a Path Traversal Vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read arbitrary system files. Additionally, since the device's default password is a combination of the MAC address, attackers can obtain the MAC address through this vulnerability and attempt to log in to the device using the default password.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 23 mo ago (2024-11-12)

Exploit prediction

1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

D-Link DSL6740C
dlink dsl6740c_firmware

Classification

Weakness

CWE-23 Relative Path Traversal

References

twcert.org.tw /tw/cp-132-8226-0b07b-1.html
third-party-advisory
twcert.org.tw /en/cp-139-8233-903d9-2.html
third-party-advisory
bleepingcomputer.com /news/security/d-link-wont-fix-critical-bug-in-60-000-exposed-eol-modems/

Sources

CVE List CVE-2024-11067
NVD CVE-2024-11067

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary