CVE-2026-2526
CVE-2026-2526 is a medium-severity vulnerability in Wavlink Wl-wn579a3 Firmware with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 8% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6135
- Weakness: CWE-77
- Affected product: Wavlink Wl-wn579a3 Firmware
- Published:
- Last modified:
Description
A vulnerability was found in Wavlink WL-WN579A3 up to 20210219. This impacts the function multi_ssid of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument SSID2G2 results in command injection. The attack may be initiated 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.
Frequently asked questions
- What is CVE-2026-2526?
- A vulnerability was found in Wavlink WL-WN579A3 up to 20210219. This impacts the function multi_ssid of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument SSID2G2 results in command injection. The attack may be initiated 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.
- How severe is CVE-2026-2526?
- CVE-2026-2526 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-2526 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-2526?
- CVE-2026-2526 affects Wavlink Wl-wn579a3 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-2526?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-2526 have an EU (EUVD) identifier?
- Yes. CVE-2026-2526 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6135.
- When was CVE-2026-2526 published?
- CVE-2026-2526 was published on 2026-02-16 and last updated on 2026-06-17.
References
- https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/multi_ssid.md
- https://vuldb.com/?ctiid.346114
- https://vuldb.com/?id.346114
- https://vuldb.com/?submit.748073
Affected products (1)
- cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Wavlink Wl-wn579a3 Firmware
- CVE-2025-44882 — Critical (CVSS 9.8): A command injection vulnerability in the component /cgi-bin/firewall.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to…
- CVE-2025-44880 — Critical (CVSS 9.8): A command injection vulnerability in the component /cgi-bin/adm.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to…
- CVE-2025-44881 — Critical (CVSS 9.8): A command injection vulnerability in the component /cgi-bin/qos.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to…
- CVE-2026-2530 — Medium (CVSS 6.3): A weakness has been identified in Wavlink WL-WN579A3 up to 20210219. This affects the function AddMac of the file…
- CVE-2026-2529 — Medium (CVSS 6.3): A security flaw has been discovered in Wavlink WL-WN579A3 up to 20210219. Affected by this issue is the function…
- CVE-2026-2528 — Medium (CVSS 6.3): A vulnerability was identified in Wavlink WL-WN579A3 up to 20210219. Affected by this vulnerability is the function…
All CVEs affecting Wavlink Wl-wn579a3 Firmware →
Other CWE-77 (Command Injection) vulnerabilities
- CVE-2026-105484 — Critical (CVSS 10.0): A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the…
- CVE-2026-105134 — Critical (CVSS 10.0): A flaw has been found in Ahsay AhsayCBS up to 10.3.2. This vulnerability affects unknown code of the file…
- CVE-2026-102240 — Critical (CVSS 10.0): A vulnerability was found in Netcore NAP930 0.1.241010.141410. This affects the function eval of the file…
- CVE-2026-101076 — Critical (CVSS 10.0): A vulnerability was detected in Netcore NR289-GE 1.4.5102. This affects the function system of the file…
- CVE-2026-101075 — Critical (CVSS 10.0): A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of…
- CVE-2026-101072 — Critical (CVSS 10.0): A vulnerability was identified in Netcore NR289-GE 1.4.5102. This issue affects the function system of the file…