7.5

CVE-2021-41442: dlink dir-x1860_firmware HTTP Request/Response Smuggling

CVSS: 7.5v3.1HighModified
Published 09-02-2022Last modified 09-07-2026
Open JSON

Vulnerability summary

CVE-2021-41442 is a high (CVSS 7.5) HTTP Request/Response Smuggling vulnerability in dlink dir-x1860_firmware. EPSS estimates a 3.71% chance of exploitation in the next 30 days, higher than 89.6% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.71%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-02-2022
    PublishedVulnerability first disclosed.
  2. 09-07-2026
    Last modifiedVulnerability information updated.

Description

An HTTP smuggling attack in the web application of D-Link DIR-X1860 before v1.10WWB09_Beta allows a remote unauthenticated attacker to DoS the web application via sending a specific HTTP packet.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.71%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

+0.16 pp

From 3.55% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.71%

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

Dlink1 product

1 vendor · 1 product

References

2 links