9.8

CVE-2020-15893: dlink dir-816l_firmware OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 22-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-15893 is a critical (CVSS 9.8) OS Command Injection vulnerability in dlink dir-816l_firmware. EPSS estimates a 20.86% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
20.86%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, metasploit

Timeline

  1. 22-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

20.86%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 20.86% on 19-09-2026

19-09-202619-10-2026
EPSS score
20.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (research.loginsoft.com)

    Maturity: unknown

  • MetasploitMetasploitremoteVerified

    D-Link Unauthenticated Remote Command Execution using UPnP via a special crafted M-SEARCH packet.

    exploit/linux/upnp/dlink_upnp_msearch_exec

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Dlink1 product

1 vendor · 1 product

References

2 links