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CVE-2020-27862

26
FAUCET Score

CVE-2020-27862 is a critical vulnerability affecting D-Link DVA-2800 and DSL-2888A routers, allowing network-adjacent attackers to execute arbitrary code without authentication. The flaw resides in the dhttpd service (TCP port 8008), where improper validation of a user-supplied path parameter leads to system call injection. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk with no user interaction required and complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential impact remains significant for unpatched devices.

Impacted Technologies

VendorProductVersion(s)CPE
2.30_auCPE matchmatch criteria
cpe:2.3:o:dlink:dva-2800_firmware:2.30_au:*:*:*:*:*:*:*
2.30_auCPE matchmatch criteria
cpe:2.3:o:dlink:dsl-2888a_firmware:2.30_au:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.38%
Probability of exploitation in next 30 days
EPSS Percentile
69.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0138 is in the 83rd percentile among its peer group of 1,859 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

supportannouncement.us.dlink.com / announcement/publication.aspx
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-20-1426
Third Party AdvisoryVDB Entry