CVE-2024-3912: ASUS DSL-N17U · Unrestricted File Upload
Affects ASUS DSL-N17USource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical : upgrade to 1.1.2.3_792 as a priority.
Data as of 4 Nov 2026, 00:28 UTC
Thin evidence
One scorer or none| CNA (twcert) | CVSS 3.1 | 9.8 |
|---|
- EPSS
- 1.0% chance of exploitation in 30 days – higher than 63% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2024-06-28.
- Patch
- Available – fixed in 1.1.2.3_792, 1.1.2.3_807, 1.1.2.3_999
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 14 Jun 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Upgrade DSL-N17U and DSL-N55U_C1 and DSL-N55U_D1 and DSL-N66U to 1.1.2.3_792; DSL-N12U_C1 and DSL-N12U_D1 and DSL-N14U and DSL-N14U_B1 to 1.1.2.3_807; DSL-N16 and DSL-AC51 and DSL-AC750 and DSL-AC52U and DSL-AC55U and DSL-AC56U to 1.1.2.3_999.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ASUSDSL-N17U | Affected
| Fixed in
|
| ASUSDSL-N55U_C1 | Affected
| Fixed in
|
| ASUSDSL-N55U_D1 | Affected
| Fixed in
|
| ASUSDSL-N66U | Affected
| Fixed in
|
| ASUSDSL-N12U_C1 | Affected
| Fixed in
|
| ASUSDSL-N12U_D1 | Affected
| Fixed in
|
AI-suggested
Apply the official firmware updates provided by ASUS to versions 1.1.2.3_792, 1.1.2.3_807, or 1.1.2.3_999 to remediate this vulnerability. No other mitigation steps are indicated as the fix is available.
Description
Certain models of ASUS routers have an arbitrary firmware upload vulnerability. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands on the device.