CVE-2020-29321: dlink dir-868l_firmware Insufficiently Protected Credentials
CVSS: 7.5v3.1HighModified
Published 04-06-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-29321 is a high (CVSS 7.5) Insufficiently Protected Credentials vulnerability in dlink dir-868l_firmware. EPSS estimates a 1.35% chance of exploitation in the next 30 days, higher than 71.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 04-06-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.35%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.35% on 19-09-2026
19-09-202619-10-2026
EPSS score1.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (cybersecurityworks.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-522Insufficiently Protected CredentialsThe product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
- CWE-798Use of Hard-coded CredentialsThe product contains hard-coded credentials, such as a password or cryptographic key.
Affected systems
Dlink1 product
1 vendor · 1 product
References
1 links- cybersecurityworks.com/zerodays/cve-2020-29321-telnet-hardcoded-credentials.htmlX Refsource MISCExploitThird Party Advisory