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CVE-2026-6483

A vulnerability was found in Wavlink WL-WN530H4 20220721. This vulnerability affects the function strcat/snprintf of the file /cgi-bin/internet.cgi. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026.04.16 is able to resolve this issue. Upgrading the affected component is recommended.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d8c6f13423b05721c18037351adb4fd1898c605bb1e48a09be8c3c2316530382
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":8.3,"vectorString":"AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":8.6,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-78","description":"OS Command Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:wavlink:wl-wn530h4_firmware:*:*:*:*:*:*:*:*"],"product":"WL-WN530H4","vendor":"Wavlink","versions":[{"status":"affected","version":"20220721"},{"status":"unaffected","version":"2026.04.16"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":8.3,"vectorString":"AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":8.6,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-78","description":"OS Command Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["patch"],"url":"https://dl.wavlink.com/firmware/RD/root_uImage_WN530H4-A_2026.04.16.bin"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/references/4
{"tags":["exploit"],"url":"https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/references/3
{"name":"Submit #783055 | https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in- WN530H4 (AC1200 Dual-Band Wi-Fi Router) Firmware: WN530H4-WAVLINK_20220721 Improper Neutralization of Special Elements used in an OS Comman","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/783055"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/references/2
{"name":"VDB-358021 | Wavlink WL-WN530H4 internet.cgi snprintf os command injection","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/358021"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/references/0
{"name":"VDB-358021 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/358021/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2a2ca1f95c44c9d30c1ea24f04569e27dac4028d3f1f18d8036ff812a2acb2e4 · sha256:1ebdb25085eca498… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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