A buffer overflow vulnerability in the zdp_wtp binary in Zyxel NWA110AX firmware versions through 7.12(ABTG.0)C0 could allow a LAN-based…
Only affects Zyxel NWA110AX firmware through 7.12(ABTG.0)C0, via a buffer overflow in the zdp_wtp binary. Fixed in 7.12(ABTG.1)C0.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 7.12(ABTG.1)C0
- Who is exposed
- Not reported
Do first: Upgrade to a fixed version: 7.12(ABTG.1)C0.
- Exploitation?/40Exploitation: unknown (data gap). No CISA SSVC exploitation rating yet
- Exposure?/25Exposure: unknown (data gap). Advisories don't say whether default setups are affected
- Reach?/20Reach: unknown (data gap). No tracked technology or package matched
- Severity8.8/10CVSS 8.8
- No patch0/5No signal
What would change the score
- Would score about 64 if added to CISA KEV
- Would score about 59 if CISA's SSVC rates exploitation active
- Would score about 31 if advisories confirm default setups are exposed
CVE-2026-76955 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 8.8 (high) and affects NWA110AX firmware; fixed in 7.12(ABTG.1)C0.
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- Published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.25% · 16th percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 9/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Unclear
- Fix
- Fixed in 7.12(ABTG.1)C0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The vulnerability affects the Zyxel NWA110AX wireless access point firmware, specifically its zdp_wtp component. A attacker on the local network could exploit a memory handling flaw to gain higher privileges on the affected device.
Read the original description
A buffer overflow vulnerability in the zdp_wtp binary in Zyxel NWA110AX firmware versions through 7.12(ABTG.0)C0 could allow a LAN-based attacker to escalate privileges on an affected device.
What to do
Upgrade to a fixed version: 7.12(ABTG.1)C0.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Zyxel NWA110AX firmware
through 7.12(ABTG.0)C0
Evidence 1
- Advisory
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-76955
Is CVE-2026-76955 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
What does this mean?
A buffer overflow in the zdp_wtp binary lets a LAN-based attacker escalate privileges on the affected device. The facts do not describe the exact trigger.Source: zyxel.com
Which versions are affected by CVE-2026-76955?
NWA110AX firmware: through 7.12(ABTG.0)C0.Source: cve.now feed data
Am I affected, and how do I check?
Firmware for the Zyxel NWA110AX up to and including 7.12(ABTG.0)C0 is listed as affected. To check, look at the firmware version shown on the device's admin interface or system information page.Source: zyxel.com
How do I fix CVE-2026-76955?
Upgrade to firmware 7.12(ABTG.1)C0 or later, which contains the fix.Source: zyxel.com