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Fencer Vulns
high 7.5

CVE-2020-29321 json

The D-Link router DIR-868L 3.01 is vulnerable to credentials disclosure in telnet service through decompilation of firmware, that allows an…

published 2021-06-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21695

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

The D-Link router DIR-868L 3.01 is vulnerable to credentials disclosure in telnet service through decompilation of firmware, that allows an unauthenticated attacker to gain access to the firmware and to extract sensitive data.

Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • cybersecurityworks.com https://cybersecurityworks.com/zerodays/cve-2020-29321-telnet-hardcoded-credentials.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a D-Link Router DIR-868L

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials
  • CWE-798 Use of Hard-coded Credentials

References

Sources

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.