Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036…
Priority LOW 37CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi' operation when a specific network package are sent to the httpd binary.
Why it matters now
EPSS 0.0222 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dap-2310_firmware:*:*:*:*:*:*:*:* | up to 2.10rc039 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-2310:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2330_firmware:*:*:*:*:*:*:*:* | before 1.10rc036 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2330_firmware:1.10rc036:beta:*:*:*:*:*:* | 1.10rc036 beta | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-2330:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2360_firmware:*:*:*:*:*:*:*:* | up to 2.10rc055 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-2360:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2553_firmware:*:*:*:*:*:*:*:* | before 3.10rc039 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2553_firmware:3.10rc039:beta:*:*:*:*:*:* | 3.10rc039 beta | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-2553:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dap-2310_firmware:*:*:*:*:*:*:*:* Versions up to 2.10rc039 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-2310:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2330_firmware:*:*:*:*:*:*:*:* Versions before 1.10rc036 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2330_firmware:1.10rc036:beta:*:*:*:*:*:* Versions 1.10rc036 beta Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-2330:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2360_firmware:*:*:*:*:*:*:*:* Versions up to 2.10rc055 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-2360:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2553_firmware:*:*:*:*:*:*:*:* Versions before 3.10rc039 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2553_firmware:3.10rc039:beta:*:*:*:*:*:* Versions 3.10rc039 beta Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-2553:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dap-2660_firmware:*:*:*:*:*:*:*:* | up to 1.15rc131b | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-2660:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2690_firmware:*:*:*:*:*:*:*:* | before 3.20rc115 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2690_firmware:3.20rc115:beta:*:*:*:*:*:* | 3.20rc115 beta | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-2690:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-2695_firmware:*:*:*:*:*:*:*:* | up to 1.20rc093 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-2695:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-3320_firmware:*:*:*:*:*:*:*:* | before 1.05rc027 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-3320_firmware:1.05rc027:beta:*:*:*:*:*:* | 1.05rc027 beta | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-3320:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-3662_firmware:*:*:*:*:*:*:*:* | before 1.05rc069 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dap-3662_firmware:1.05rc069:beta:*:*:*:*:*:* | 1.05rc069 beta | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dap-3662:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dap-2660_firmware:*:*:*:*:*:*:*:* Versions up to 1.15rc131b Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-2660:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2690_firmware:*:*:*:*:*:*:*:* Versions before 3.20rc115 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2690_firmware:3.20rc115:beta:*:*:*:*:*:* Versions 3.20rc115 beta Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-2690:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-2695_firmware:*:*:*:*:*:*:*:* Versions up to 1.20rc093 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-2695:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-3320_firmware:*:*:*:*:*:*:*:* Versions before 1.05rc027 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-3320_firmware:1.05rc027:beta:*:*:*:*:*:* Versions 1.05rc027 beta Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-3320:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-3662_firmware:*:*:*:*:*:*:*:* Versions before 1.05rc069 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dap-3662_firmware:1.05rc069:beta:*:*:*:*:*:* Versions 1.05rc069 beta Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dap-3662:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28838
- 2026-10-03 Alias added: GHSA-qg9w-6w4c-q3pf
References
More D-Link Japan K.K. Dap-2310 Firmware vulnerabilities
- TI-2022-18335 D-Link devices DAP-2310 v2.10rc036 and earlier, DAP-2330 v1.06rc020 and earlier, DAP-2360… CVSS 3.1HIGH 7.5
- TI-2016-01419 Buffer overflow in D-Link DAP-2310 2.06 and earlier, DAP-2330 1.06 and earlier, DAP-2360… CVSS 3.0CRITICAL 9.8
- TI-2021-09829 Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330… CVSS 3.1HIGH 7.5
- TI-2021-09828 Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-28838 · CVE Program
- CVE-2021-28838 · NVD
- FIRST EPSS
- GHSA-qg9w-6w4c-q3pf · GitHub Advisory Database · CC BY 4.0
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