D-Link DSL-2770L Credential Disclosure

2018.12.23

Credit: Tyler Cui

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2018-18007

CWE: CWE-255

CVSS Base Score: 5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Partial

Integrity impact: None

Availability impact: None

[Vendor]
us.dlink.com
[Product]
D-Link DSL-2770L (version ME_1.01, ME_1.02, AU_1.06)
[Vulnerability Type]
admin credentials disclosure
[Affected Component]
Web Interface
[CVE Reference]
CVE-2018-18007
[Security Issue]
An authenticated user can visit the page atbox.htm, for example, http://victime_ip/atbox.htm, and obtain clear text password of user admin at the line:
else if(ff.curpd.value != "__password__") location="atbox_pd.htm"
[Network Access]
Remote via Web Interface
[Authentication]
Not required
[Disclosure Timeline]
2018-06-17: Vendor Notification
2018-06-19: Vendor acknowledgement
2018-10-23: Request update
2018-10-26: Vendor: "I don't have an update currently, but fixes are under development."
2018-12-07: Inform vendor of disclosure
2018-12-17: Public Disclosure

See this note in RAW Version

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D-Link DSL-2770L Credential Disclosure

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