CVE-2026-30814
Last modified
CVE-2026-30814 is a high-severity vulnerability rated 8/10 on the CVSS scale. A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
Metrics
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Archer Ax53 Firmware | < 1.7.1 |
References
- https://talosintelligence.com/vulnerability_reports/Third Party Advisory
- https://www.tp-link.com/us/support/faq/5055/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-30814?
How severe is CVE-2026-30814?
How do I fix CVE-2026-30814?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-30809Improper Neutralization of Special Elements used in an OS Co…8.8
- CVE-2026-3081GStreamer H.266 Codec Parser Stack-based Buffer Overflow Rem…7.8
- CVE-2026-30810Server-Side Request Forgery vulnerability allows Privilege E…8.8
- CVE-2026-30811Missing Authorization vulnerability allows Exposure of Sensi…6.5
- CVE-2026-30812Improper Neutralization of Input During Web Page Generation …5.4
- CVE-2026-30813Improper Neutralization of Special Elements used in an SQL C…8.8
- CVE-2026-30815An OS command injection vulnerability in the OpenVPN module …8
- CVE-2026-30816An external control of configuration vulnerability in the Op…5.7
- CVE-2026-30817An external configuration control vulnerability in the OpenV…5.7
- CVE-2026-30818An OS command injection vulnerability in the dnsmasq module …8
- CVE-2026-3082GStreamer JPEG Parser Heap-based Buffer Overflow Remote Code…7.8
- CVE-2026-30820Flowise is a drag & drop user interface to build a customize…8.8
Are you affected by CVE-2026-30814?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
