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CVE detail

CVE-2021-27561

Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.

CVSS 9.8 · CriticalBuzz score 55.9KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 55.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 17.9 · diversity 13.0 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
17.9
5 evidence mentions in the snapshot
Diversity score
13.0
4 sources across 2 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
5 source links · newest first
  • A Mirai-based DDoS botnet tracked as IZ1H9 has added thirteen new exploits to target routers from different vendors, including D-Link, Zyxel, and TP-Link. Fortinet researchers observed a new Mirai-based DDoS botnet, tracked as IZ1H9, that added thirteen new payloads to target routers from multiple vendors, including D-Link, Zyxel, TP-Link, and TOTOLINK. The experts observed a surge in botnet […]

    newssecurityaffairs.comOct 11, 2023, 1:55 PM
  • The early bird catches the worm. Unless the worm was early enough to hide.On August 3, 2021 a vulnerability that was…

    newswww.malwarebytes.comAug 8, 2021, 5:00 PM
  • Over the past month, a variant of the Mirai botnet was observed targeting new security vulnerabilities within hours after they had been disclosed publicly, researchers with Palo Alto Networks reveal.

    newswww.securityweek.comMar 17, 2021, 1:54 PM
  • Palo Alto researchers uncovered a series of ongoing attacks to spread a variant of the infamous Mirai bot exploiting multiple vulnerabilities. Security experts at Palo Alto Networks disclosed a series of attacks aimed at delivering a Mirai variant leveraging multiple vulnerabilities. Below the list of vulnerabilities exploited in the attacks, three of which were unknown issues: […]

    newssecurityaffairs.comMar 16, 2021, 9:54 PM
  • We discovered ongoing attacks leveraging IoT vulnerabilities, including in network security devices, to serve a Mirai variant.

    vendorunit42.paloaltonetworks.comMar 16, 2021, 12:30 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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