PatchTheCVECVE-2024-53703: A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library
CVE-2024-53703 is a high-severity flaw (CVSS 8.1) affecting sma 200 firmware, sma 210 firmware, sma 400 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.
Why this priority
- High severity
- EPSS top 4%: very likely to be exploited
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 12.6% (top 4%) |
| CISA exploited list | No |
| Weakness | CWE-121 |
| Published | 2024-12-05 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-53703?
sma 200 firmware: upgrade to 10.2.1.14-75sv; sma 210 firmware: upgrade to 10.2.1.14-75sv; sma 400 firmware: upgrade to 10.2.1.14-75sv. Exact commands for each OS are on this page.
Is CVE-2024-53703 being exploited?
CVE-2024-53703 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-53703 affect?
CVE-2024-53703 affects sma 200 firmware, sma 210 firmware, sma 400 firmware. Severity is high (CVSS 8.1). A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stack-based buffer overflow and potentially lead to code executi
How urgent is CVE-2024-53703?
Priority 57/100. High severity; EPSS top 4%: very likely to be exploited; Remotely exploitable, no login, no user action
Software pages
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