CVE-2026-7287
CVE-2026-7287 is a high-severity vulnerability in Zyxel Nwa1100-n Firmware with a CVSS 3.x base score of 7.5. 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-120.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29378
- Weakness: CWE-120
- Affected product: Zyxel Nwa1100-n Firmware
- Published:
- Last modified:
Description
** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel NWA1100-N customized firmware version 1.00(AACE.1)C0 could allow an attacker to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request to a vulnerable device.
Frequently asked questions
- What is CVE-2026-7287?
- ** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel NWA1100-N customized firmware version 1.00(AACE.1)C0 could allow an attacker to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request to a vulnerable device.
- How severe is CVE-2026-7287?
- CVE-2026-7287 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-7287 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-7287?
- CVE-2026-7287 affects Zyxel Nwa1100-n Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-7287?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-7287 have an EU (EUVD) identifier?
- Yes. CVE-2026-7287 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29378.
- When was CVE-2026-7287 published?
- CVE-2026-7287 was published on 2026-05-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zyxel:nwa1100-n_firmware:1.00\(aace.1\)c0:*:*:*:*:*:*:*
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