10

CVE-2021-46007: totolink ar3100r_firmware OS Command Injection

Modified
Published 30-03-2022Last modified 09-07-2026

Vulnerability summary

CVE-2021-46007 is a high (CVSS 10.0) OS Command Injection vulnerability in totolink ar3100r_firmware. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
2.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Timeline

  1. 30-03-2022
    PublishedVulnerability first disclosed.
  2. 09-07-2026
    Last modifiedVulnerability information updated.

Description

totolink a3100r V5.9c.4577 is vulnerable to os command injection. The backend of a page is executing the "ping" command, and the input field does not adequately filter special symbols. This can lead to command injection attacks.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.59%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.59% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackmd.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Totolink1 product

1 vendor · 1 product

References

1 links