8.8

CVE-2020-15633: d-link dir-867_firmware

CVSS: 8.8v3.0HighModified
Published 23-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-15633 is a high (CVSS 8.8) vulnerability in d-link dir-867_firmware. EPSS estimates a 2.89% chance of exploitation in the next 30 days, higher than 86.6% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (CVE.org)
EPSS score
2.89%
0%100%
Low · +0.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

2.89%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

+0.12 pp

From 2.77% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.89%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

D-link4 products

1 vendor · 4 products

References

2 links