CVE-2021-28838: Null Pointer Dereference
First published: Tue Aug 10 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dlink Dap-2310 Firmware | <=2.10rc039 | |
| Dlink Dap-2310 | ||
| Dlink Dap-2330 Firmware | <1.10rc036 | |
| Dlink Dap-2330 Firmware | =1.10rc036-beta | |
| Dlink Dap-2330 | ||
| Dlink Dap-2360 Firmware | <=2.10rc055 | |
| Dlink Dap-2360 | ||
| Dlink Dap-2553 Firmware | <3.10rc039 | |
| Dlink Dap-2553 Firmware | =3.10rc039-beta | |
| Dlink Dap-2553 | ||
| Dlink Dap-2660 Firmware | <=1.15rc131b | |
| Dlink Dap-2660 | ||
| Dlink Dap-2690 Firmware | <3.20rc115 | |
| Dlink Dap-2690 Firmware | =3.20rc115-beta | |
| Dlink Dap-2690 | ||
| Dlink Dap-2695 Firmware | <=1.20rc093 | |
| Dlink Dap-2695 | ||
| Dlink Dap-3320 Firmware | <1.05rc027 | |
| Dlink Dap-3320 Firmware | =1.05rc027-beta | |
| Dlink Dap-3320 | ||
| Dlink Dap-3662 Firmware | <1.05rc069 | |
| Dlink Dap-3662 Firmware | =1.05rc069-beta | |
| Dlink Dap-3662 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-28838?
CVE-2021-28838 is a null pointer dereference vulnerability in D-Link DAP-2310, DAP-2330, DAP-2360, DAP-2553, DAP-2660, DAP-2690, DAP-2695, DAP-3320, and DAP-3662 devices.
How does CVE-2021-28838 affect D-Link DAP-2310?
CVE-2021-28838 affects D-Link DAP-2310 devices running firmware version up to and including 2.10rc039.
How severe is CVE-2021-28838?
CVE-2021-28838 has a severity score of 7.5 (high).
How can I fix CVE-2021-28838?
To fix CVE-2021-28838, D-Link DAP-2310 users should update their firmware to a version higher than 2.10rc039.
Are there any additional resources about CVE-2021-28838?
Yes, you can find additional information about CVE-2021-28838 in the following references: [link1](https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf), [link2](https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf), [link3](https://www.dlink.com/en/security-bulletin/).
- collector/nvd-index
- agent/references
- agent/weakness
- agent/type
- agent/event
- agent/severity
- agent/author
- agent/description
- agent/first-publish-date
- agent/tags
- agent/softwarecombine
- agent/last-modified-date
- collector/mitre-cve
- source/MITRE
- vendor/dlink
- canonical/dlink dap-2310 firmware
- version/dlink dap-2310 firmware/2.10rc039
- canonical/dlink dap-2310
- canonical/dlink dap-2330 firmware
- version/dlink dap-2330 firmware/1.10rc036-beta
- canonical/dlink dap-2330
- canonical/dlink dap-2360 firmware
- version/dlink dap-2360 firmware/2.10rc055
- canonical/dlink dap-2360
- canonical/dlink dap-2553 firmware
- version/dlink dap-2553 firmware/3.10rc039-beta
- canonical/dlink dap-2553
- canonical/dlink dap-2660 firmware
- version/dlink dap-2660 firmware/1.15rc131b
- canonical/dlink dap-2660
- canonical/dlink dap-2690 firmware
- version/dlink dap-2690 firmware/3.20rc115-beta
- canonical/dlink dap-2690
- canonical/dlink dap-2695 firmware
- version/dlink dap-2695 firmware/1.20rc093
- canonical/dlink dap-2695
- canonical/dlink dap-3320 firmware
- version/dlink dap-3320 firmware/1.05rc027-beta
- canonical/dlink dap-3320
- canonical/dlink dap-3662 firmware
- version/dlink dap-3662 firmware/1.05rc069-beta
- canonical/dlink dap-3662