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ID

VAR-202602-1970


CVE

CVE-2026-2527


TITLE

WAVLINK of WL-WN579A3  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-004091

DESCRIPTION

A vulnerability was determined in Wavlink WL-WN579A3 up to 20210219. Affected is an unknown function of the file /cgi-bin/login.cgi. Executing a manipulation of the argument key can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. Wavlink WL-WN579A3 (( 20210219 A vulnerability has been identified in versions up to and including . All information handled by the software may be rewritten. Furthermore, the software may stop working completely. Furthermore, attacks that exploit this vulnerability will not affect other software

Trust: 1.62

sources: NVD: CVE-2026-2527 // JVNDB: JVNDB-2026-004091

AFFECTED PRODUCTS

vendor:wavlinkmodel:wl-wn579a3scope:lteversion:2021-02-19

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vendor:wavlinkmodel:wl-wn579a3scope:lteversion:wl-wn579a3 firmware 2021-02-19 and earlier

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vendor:wavlinkmodel:wl-wn579a3scope: - version: -

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vendor:wavlinkmodel:wl-wn579a3scope:eqversion: -

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sources: JVNDB: JVNDB-2026-004091 // NVD: CVE-2026-2527

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-2527
value: LOW

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nvd@nist.gov: CVE-2026-2527
value: CRITICAL

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OTHER: JVNDB-2026-004091
value: CRITICAL

Trust: 0.8

cna@vuldb.com: CVE-2026-2527
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2026-004091
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

cna@vuldb.com: CVE-2026-2527
baseSeverity: MEDIUM
baseScore: 6.3
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.8
impactScore: 3.4
version: 3.1

Trust: 1.0

nvd@nist.gov: CVE-2026-2527
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: JVNDB-2026-004091
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2026-004091 // NVD: CVE-2026-2527 // NVD: CVE-2026-2527

PROBLEMTYPE DATA

problemtype:CWE-74

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problemtype:CWE-77

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problemtype:injection (CWE-74) [ others ]

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problemtype: Command injection (CWE-77) [ others ]

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problemtype: Command injection (CWE-77) [NVD evaluation ]

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sources: JVNDB: JVNDB-2026-004091 // NVD: CVE-2026-2527

PATCH

title:Submit #748074url:https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/login.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-004091

EXTERNAL IDS

db:NVDid:CVE-2026-2527

Trust: 2.6

db:VULDBid:346115

Trust: 1.0

db:JVNDBid:JVNDB-2026-004091

Trust: 0.8

sources: JVNDB: JVNDB-2026-004091 // NVD: CVE-2026-2527

REFERENCES

url:https://vuldb.com/?ctiid.346115

Trust: 1.0

url:https://github.com/mradera/iot-vuls/blob/main/wavlink/wn579a3/login.md

Trust: 1.0

url:https://vuldb.com/?id.346115

Trust: 1.0

url:https://vuldb.com/?submit.748074

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2026-2527

Trust: 0.8

sources: JVNDB: JVNDB-2026-004091 // NVD: CVE-2026-2527

SOURCES

db:JVNDBid:JVNDB-2026-004091
db:NVDid:CVE-2026-2527

LAST UPDATE DATE

2026-02-21T23:34:02.684000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-004091date:2026-02-20T02:19:00
db:NVDid:CVE-2026-2527date:2026-02-18T20:11:33.500

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-004091date:2026-02-20T00:00:00
db:NVDid:CVE-2026-2527date:2026-02-16T02:16:06.620