VulnSocial

CVE-2025-11845Disclosure(zyxel / ax7501-b1)

LOWCVSS 4.9 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request.

zyxel CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-476

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • ax7501-b1
  • ax7501-b1_firmware
  • dx3300-t0
  • dx3300-t0_firmware

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
zyxel
Products
ax7501-b1ax7501-b1_firmwaredx3300-t0dx3300-t0_firmwaredx3300-t1dx3300-t1_firmwaredx3301-t0dx3301-t0_firmwaredx4510-b0dx4510-b0_firmware

1 version affected across 108 products

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-02-24: 2Technical Details · 2026-02-24: 202-24
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2025-11845 Null Pointer Dereference DoS Vulnerability in Zyxel VMG3625-T50B and WX3100-T0 Firmware https://vulmon.com/vulnerabilitydetails?qid=CVE-2025-11845

    Post summary

    A null pointer dereference DoS vulnerability (CVE-2025-11845) has been disclosed for Zyxel firmware, with no PoC, exploit, or patch details provided.

    0001052
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2025-11845 A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel … https://www.cve.org/CVERecord?id=CVE-2025-11845

    Post summary

    The text announces a null pointer dereference vulnerability in Zyxel's certificate downloader CGI program, detailing affected firmware versions but not providing PoC, exploit, or patch information.

    00000115
    56.5K followersView on X
CPE platform detail108 entries

108 of 108 entries

PartVendorProductVersionTarget SWTarget HW
HWzyxelax7501-b1---
OSzyxelax7501-b1_firmware---
HWzyxeldx3300-t0---
OSzyxeldx3300-t0_firmware---
HWzyxeldx3300-t1---
OSzyxeldx3300-t1_firmware---
HWzyxeldx3301-t0---
OSzyxeldx3301-t0_firmware---
HWzyxeldx4510-b0---
OSzyxeldx4510-b0_firmware---
HWzyxeldx4510-b1---
OSzyxeldx4510-b1_firmware---
HWzyxeldx5401-b1---
OSzyxeldx5401-b1_firmware---
HWzyxelee3301-00---
OSzyxelee3301-00_firmware---
HWzyxelee5301-00---
OSzyxelee5301-00_firmware---
HWzyxelee6510-10---
OSzyxelee6510-10_firmware---
HWzyxelemg3525-t50b---
OSzyxelemg3525-t50b_firmware---
HWzyxelemg5523-t50b---
OSzyxelemg5523-t50b_firmware---
HWzyxelex2210-t0---
OSzyxelex2210-t0_firmware---
HWzyxelex3300-t0---
OSzyxelex3300-t0_firmware---
HWzyxelex3300-t1---
OSzyxelex3300-t1_firmware---
HWzyxelex3301-t0---
OSzyxelex3301-t0_firmware---
HWzyxelex3500-t0---
OSzyxelex3500-t0_firmware---
HWzyxelex3501-t0---
OSzyxelex3501-t0_firmware---
HWzyxelex3510-b0---
OSzyxelex3510-b0_firmware---
HWzyxelex3510-b1---
OSzyxelex3510-b1_firmware---
HWzyxelex3600-t0---
OSzyxelex3600-t0_firmware---
HWzyxelex5401-b1---
OSzyxelex5401-b1_firmware---
HWzyxelex5510-b0---
OSzyxelex5510-b0_firmware---
HWzyxelex5512-t0---
OSzyxelex5512-t0_firmware---
HWzyxelex5601-t0---
OSzyxelex5601-t0_firmware---
HWzyxelex5601-t1---
OSzyxelex5601-t1_firmware---
HWzyxelex7501-b0---
OSzyxelex7501-b0_firmware---
HWzyxelex7710-b0---
OSzyxelex7710-b0_firmware---
HWzyxelgm4100-b0---
OSzyxelgm4100-b0_firmware---
HWzyxellte3301-plus---
OSzyxellte3301-plus_firmware---
HWzyxelnebula_fwa505---
OSzyxelnebula_fwa505_firmware---
HWzyxelnebula_fwa510---
OSzyxelnebula_fwa510_firmware---
HWzyxelnebula_fwa515---
OSzyxelnebula_fwa515_firmware---
HWzyxelnebula_fwa710---
OSzyxelnebula_fwa710_firmware---
HWzyxelnebula_lte3301-plus---
OSzyxelnebula_lte3301-plus_firmware---
HWzyxelpe3301-00---
OSzyxelpe3301-00_firmware---
HWzyxelpe5301-01---
OSzyxelpe5301-01_firmware---
HWzyxelpm3100-t0---
OSzyxelpm3100-t0_firmware---
HWzyxelpm5100-t0---
OSzyxelpm5100-t0_firmware---
HWzyxelpm5100-t1---
OSzyxelpm5100-t1_firmware---
HWzyxelpm7300-t0---
OSzyxelpm7300-t0_firmware---
HWzyxelpm7500-00---
OSzyxelpm7500-00_firmware---
HWzyxelpx3321-t1---
OSzyxelpx3321-t1_firmware---
HWzyxelpx5301-t0---
OSzyxelpx5301-t0_firmware---
HWzyxelscr_50axe---
OSzyxelscr_50axe_firmware---
HWzyxelvmg3625-t50b---
OSzyxelvmg3625-t50b_firmware---
HWzyxelvmg4005-b50a---
OSzyxelvmg4005-b50a_firmware---
HWzyxelvmg4005-b60a---
OSzyxelvmg4005-b60a_firmware---
HWzyxelvmg8623-t50b---
OSzyxelvmg8623-t50b_firmware---
HWzyxelwe3300-00---
OSzyxelwe3300-00_firmware---
HWzyxelwx3100-t0---
OSzyxelwx3100-t0_firmware---
HWzyxelwx3401-b1---
OSzyxelwx3401-b1_firmware---
HWzyxelwx5600-t0---
OSzyxelwx5600-t0_firmware---
HWzyxelwx5610-b0---
OSzyxelwx5610-b0_firmware---

Explore more

Back to dashboardzyxel CVEsax7501-b1 vulnerabilities