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CVE-2026-4543

A vulnerability was found in Wavlink WL-WN578W2 221110. The impacted element is an unknown function of the file /cgi-bin/firewall.cgi of the component POST Request Handler. Performing a manipulation of the argument dmz_flag/del_flag results in command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4348759974dd0f1b5b01a6cc47f54a76ff21e770887216d549f9bf408b03e791
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":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-74","description":"Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/problemTypes/1/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:wavlink:wl-wn578w2_firmware:*:*:*:*:*:*:*:*"],"modules":["POST Request Handler"],"product":"WL-WN578W2","vendor":"Wavlink","versions":[{"status":"affected","version":"221110"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-74","description":"Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["related"],"url":"https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_4/README.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/references/4
{"tags":["exploit"],"url":"https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_5/README.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/references/5
{"name":"VDB-352360 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.352360"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/references/1
{"name":"VDB-352360 | Wavlink WL-WN578W2 POST Request firewall.cgi command injection","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.352360"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/references/0
{"name":"Submit #774690 | Wavlink WL-WN578W2 V221110 Command Injection","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.774690"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/references/2
{"name":"Submit #774691 | Wavlink WL-WN578W2 V221110 Command Injection (Duplicate)","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.774691"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7caf8af79346f385fca104e90f9a037b234bb83035ff7de0ccf44cdc5fc007b7 · sha256:0ae260ad10ff3252… · /containers/cna/references/3

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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