How severe is CVE-2025-50635?

CVE-2025-50635 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-2025-50635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-50635?

CVE-2025-50635 affects Netis-systems Wf2780 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-50635?

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-2025-50635 have an EU (EUVD) identifier?

Yes. CVE-2025-50635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24584.

When was CVE-2025-50635 published?

CVE-2025-50635 was published on 2025-08-13 and last updated on 2026-06-17.

CVE-2025-50635

CVE-2025-50635 is a high-severity vulnerability in Netis-systems Wf2780 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24584
Weakness: CWE-476
Affected product: Netis-systems Wf2780 Firmware
Published: 2025-08-13
Last modified: 2026-06-17

Description

A null pointer dereference vulnerability was discovered in Netis WF2780 v2.2.35445. The vulnerability exists in the FUN_0048a728 function of the cgitest.cgi file. Attackers can trigger this vulnerability by controlling the CONTENT_LENGTH variable, causing the program to crash and potentially leading to a denial-of-service (DoS) attack.

Frequently asked questions

What is CVE-2025-50635?: A null pointer dereference vulnerability was discovered in Netis WF2780 v2.2.35445. The vulnerability exists in the FUN_0048a728 function of the cgitest.cgi file. Attackers can trigger this vulnerability by controlling the CONTENT_LENGTH variable, causing the program to crash and potentially leading to a denial-of-service (DoS) attack.
How severe is CVE-2025-50635?: CVE-2025-50635 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-2025-50635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-50635?: CVE-2025-50635 affects Netis-systems Wf2780 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-50635?: 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-2025-50635 have an EU (EUVD) identifier?: Yes. CVE-2025-50635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24584.
When was CVE-2025-50635 published?: CVE-2025-50635 was published on 2025-08-13 and last updated on 2026-06-17.

References

https://github.com/Chinesexilinyu/Netis-WF2780-cgitest.cgi-Vulnerability/tree/main/1

Affected products (1)

cpe:2.3:o:netis-systems:wf2780_firmware:2.2.35445:*:*:*:*:*:*:*

More vulnerabilities in Netis-systems Wf2780 Firmware

CVE-2024-25850 — Critical (CVSS 9.8): Netis WF2780 v2.1.40144 was discovered to contain a command injection vulnerability via the wps_ap_ssid5g parameter
CVE-2021-26747 — Critical (CVSS 9.8): Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading…
CVE-2024-25851 — High (CVSS 8.0): Netis WF2780 v2.1.40144 was discovered to contain a command injection vulnerability via the config_sequence parameter…

All CVEs affecting Netis-systems Wf2780 Firmware →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →